.. note::
    :class: sphx-glr-download-link-note

    Click :ref:`here <sphx_glr_download_auto_examples_compose_plot_compare_reduction.py>` to download the full example code
.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_compose_plot_compare_reduction.py:


=================================================================
Selecting dimensionality reduction with Pipeline and GridSearchCV
=================================================================

This example constructs a pipeline that does dimensionality
reduction followed by prediction with a support vector
classifier. It demonstrates the use of ``GridSearchCV`` and
``Pipeline`` to optimize over different classes of estimators in a
single CV run -- unsupervised ``PCA`` and ``NMF`` dimensionality
reductions are compared to univariate feature selection during
the grid search.

Additionally, ``Pipeline`` can be instantiated with the ``memory``
argument to memoize the transformers within the pipeline, avoiding to fit
again the same transformers over and over.

Note that the use of ``memory`` to enable caching becomes interesting when the
fitting of a transformer is costly.


Illustration of ``Pipeline`` and ``GridSearchCV``
##############################################################################
 This section illustrates the use of a ``Pipeline`` with
 ``GridSearchCV``



.. code-block:: python


    # Authors: Robert McGibbon, Joel Nothman, Guillaume Lemaitre

    from __future__ import print_function, division

    import numpy as np
    import matplotlib.pyplot as plt
    from sklearn.datasets import load_digits
    from sklearn.model_selection import GridSearchCV
    from sklearn.pipeline import Pipeline
    from sklearn.svm import LinearSVC
    from sklearn.decomposition import PCA, NMF
    from sklearn.feature_selection import SelectKBest, chi2

    print(__doc__)

    pipe = Pipeline([
        # the reduce_dim stage is populated by the param_grid
        ('reduce_dim', None),
        ('classify', LinearSVC())
    ])

    N_FEATURES_OPTIONS = [2, 4, 8]
    C_OPTIONS = [1, 10, 100, 1000]
    param_grid = [
        {
            'reduce_dim': [PCA(iterated_power=7), NMF()],
            'reduce_dim__n_components': N_FEATURES_OPTIONS,
            'classify__C': C_OPTIONS
        },
        {
            'reduce_dim': [SelectKBest(chi2)],
            'reduce_dim__k': N_FEATURES_OPTIONS,
            'classify__C': C_OPTIONS
        },
    ]
    reducer_labels = ['PCA', 'NMF', 'KBest(chi2)']

    grid = GridSearchCV(pipe, cv=5, n_jobs=1, param_grid=param_grid)
    digits = load_digits()
    grid.fit(digits.data, digits.target)

    mean_scores = np.array(grid.cv_results_['mean_test_score'])
    # scores are in the order of param_grid iteration, which is alphabetical
    mean_scores = mean_scores.reshape(len(C_OPTIONS), -1, len(N_FEATURES_OPTIONS))
    # select score for best C
    mean_scores = mean_scores.max(axis=0)
    bar_offsets = (np.arange(len(N_FEATURES_OPTIONS)) *
                   (len(reducer_labels) + 1) + .5)

    plt.figure()
    COLORS = 'bgrcmyk'
    for i, (label, reducer_scores) in enumerate(zip(reducer_labels, mean_scores)):
        plt.bar(bar_offsets + i, reducer_scores, label=label, color=COLORS[i])

    plt.title("Comparing feature reduction techniques")
    plt.xlabel('Reduced number of features')
    plt.xticks(bar_offsets + len(reducer_labels) / 2, N_FEATURES_OPTIONS)
    plt.ylabel('Digit classification accuracy')
    plt.ylim((0, 1))
    plt.legend(loc='upper left')

    plt.show()




.. image:: /auto_examples/compose/images/sphx_glr_plot_compare_reduction_001.png
    :class: sphx-glr-single-img




Caching transformers within a ``Pipeline``
##############################################################################
 It is sometimes worthwhile storing the state of a specific transformer
 since it could be used again. Using a pipeline in ``GridSearchCV`` triggers
 such situations. Therefore, we use the argument ``memory`` to enable caching.

 .. warning::
     Note that this example is, however, only an illustration since for this
     specific case fitting PCA is not necessarily slower than loading the
     cache. Hence, use the ``memory`` constructor parameter when the fitting
     of a transformer is costly.



.. code-block:: python


    from tempfile import mkdtemp
    from shutil import rmtree
    from joblib import Memory

    # Create a temporary folder to store the transformers of the pipeline
    cachedir = mkdtemp()
    memory = Memory(cachedir=cachedir, verbose=10)
    cached_pipe = Pipeline([('reduce_dim', PCA()),
                            ('classify', LinearSVC())],
                           memory=memory)

    # This time, a cached pipeline will be used within the grid search
    grid = GridSearchCV(cached_pipe, cv=5, n_jobs=1, param_grid=param_grid)
    digits = load_digits()
    grid.fit(digits.data, digits.target)

    # Delete the temporary cache before exiting
    rmtree(cachedir)





.. rst-class:: sphx-glr-script-out

 Out:

 .. code-block:: none

    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=2, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=2, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=2, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=2, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=2, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=4, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=4, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=4, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=4, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=4, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=2, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=2, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=2, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=2, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=2, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=4, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=4, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=4, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=4, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=4, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=8, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.1s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=8, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.2s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=8, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.2s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=8, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.2s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(NMF(alpha=0.0, beta_loss='frobenius', init=None, l1_ratio=0.0, max_iter=200,
      n_components=8, random_state=None, shuffle=False, solver='cd',
      tol=0.0001, verbose=0), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.2s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ce059dd4031139a6b2806c6eeb882177
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/fd2f9ad0f7503004c6c4e5daa84b3d81
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f7699cba03794b00c4e7ad12918c3870
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/637c1c59f2a2bebcf577f17752da8e7b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/662bd46dd1274c93e6633e1814aa6d18
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/340ab152c19b30c5094b0cc3d48088ce
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5f5b28b918cd25901092d13d441e4d26
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/cfb5ed9e762b82923af42c9cdd8a029f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f43b55f88ba83096d0f246bc7cdeeacc
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4a4f9f5b5aef5a99552c40788a041c3a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4d9657eb86031c9c3f4d22e2f3c9cb43
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/1251d528711edc2cb2ff337ef4d2b930
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5899433ec17984cc1dc0c0b58c092f48
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ac4979a637124e8de3021326e803952f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/62198984c58175f6c8de85a08adac475
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6fff13cab5b44100846e3d5ebcf5b777
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/8d0ec968ae6c20d5b13136352e9b3221
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9130f54ef4a686fa57506a07f278a220
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0553e2fdefbc628d4fc448fe0485529b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/01ae613cb5d86163f07ea3ad33679ea1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/7a8c73996adeba89c910d9043e4c8065
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/39cb0260b02feb8c2c86cd648f109e38
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/a2dfe8b09115d1094021450fa7dea05a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e3695525c67b22b8572c03b14c0dc50b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/03bc3c8801621ecb55d332f660286f0f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/714bb222f2d2b3701cde1ff62ed70e6b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9a0bbb81ae7f721edae06009b7927f36
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/07ed5c7ffed979168bc6b10dde11fedf
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/67e7ced7c33c8539bd4754a3a43ccb25
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/53f9f651406e0182dfcfe2d0ca68db80
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ce059dd4031139a6b2806c6eeb882177
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/fd2f9ad0f7503004c6c4e5daa84b3d81
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f7699cba03794b00c4e7ad12918c3870
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/637c1c59f2a2bebcf577f17752da8e7b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/662bd46dd1274c93e6633e1814aa6d18
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/340ab152c19b30c5094b0cc3d48088ce
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5f5b28b918cd25901092d13d441e4d26
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/cfb5ed9e762b82923af42c9cdd8a029f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f43b55f88ba83096d0f246bc7cdeeacc
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4a4f9f5b5aef5a99552c40788a041c3a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4d9657eb86031c9c3f4d22e2f3c9cb43
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/1251d528711edc2cb2ff337ef4d2b930
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5899433ec17984cc1dc0c0b58c092f48
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ac4979a637124e8de3021326e803952f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/62198984c58175f6c8de85a08adac475
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6fff13cab5b44100846e3d5ebcf5b777
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/8d0ec968ae6c20d5b13136352e9b3221
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9130f54ef4a686fa57506a07f278a220
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0553e2fdefbc628d4fc448fe0485529b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/01ae613cb5d86163f07ea3ad33679ea1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/7a8c73996adeba89c910d9043e4c8065
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/39cb0260b02feb8c2c86cd648f109e38
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/a2dfe8b09115d1094021450fa7dea05a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e3695525c67b22b8572c03b14c0dc50b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/03bc3c8801621ecb55d332f660286f0f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/714bb222f2d2b3701cde1ff62ed70e6b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9a0bbb81ae7f721edae06009b7927f36
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/07ed5c7ffed979168bc6b10dde11fedf
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/67e7ced7c33c8539bd4754a3a43ccb25
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/53f9f651406e0182dfcfe2d0ca68db80
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ce059dd4031139a6b2806c6eeb882177
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/fd2f9ad0f7503004c6c4e5daa84b3d81
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f7699cba03794b00c4e7ad12918c3870
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/637c1c59f2a2bebcf577f17752da8e7b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/662bd46dd1274c93e6633e1814aa6d18
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/340ab152c19b30c5094b0cc3d48088ce
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5f5b28b918cd25901092d13d441e4d26
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/cfb5ed9e762b82923af42c9cdd8a029f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/f43b55f88ba83096d0f246bc7cdeeacc
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4a4f9f5b5aef5a99552c40788a041c3a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4d9657eb86031c9c3f4d22e2f3c9cb43
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/1251d528711edc2cb2ff337ef4d2b930
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5899433ec17984cc1dc0c0b58c092f48
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/ac4979a637124e8de3021326e803952f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/62198984c58175f6c8de85a08adac475
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6fff13cab5b44100846e3d5ebcf5b777
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/8d0ec968ae6c20d5b13136352e9b3221
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9130f54ef4a686fa57506a07f278a220
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0553e2fdefbc628d4fc448fe0485529b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/01ae613cb5d86163f07ea3ad33679ea1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/7a8c73996adeba89c910d9043e4c8065
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/39cb0260b02feb8c2c86cd648f109e38
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/a2dfe8b09115d1094021450fa7dea05a
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e3695525c67b22b8572c03b14c0dc50b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/03bc3c8801621ecb55d332f660286f0f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/714bb222f2d2b3701cde1ff62ed70e6b
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/9a0bbb81ae7f721edae06009b7927f36
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/07ed5c7ffed979168bc6b10dde11fedf
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/67e7ced7c33c8539bd4754a3a43ccb25
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/53f9f651406e0182dfcfe2d0ca68db80
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=2, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=2, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=2, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=2, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=2, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=4, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=4, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=4, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=4, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=4, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=8, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=8, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=8, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=8, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(SelectKBest(k=8, score_func=<function chi2 at 0x7eff7217f7a0>), array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 9]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/957fad013ca010289fccaf07eba68f62
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/481779f7d475f07d3a5e4f0bc06eafab
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/caf47ab6c6c883d05da5da8684cefb47
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e31b0f98339c869d8c03a3273af6511e
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f27e62b861a27d22aec7689f36f86af
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bca47aac37d2a7d757128c6a4d334ae8
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bb5dbd9ce947c86b88a0430ac920077c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f7ed41e81892936065cf6e231300d92
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4e4cf1344179544b063154ff81b1cc2c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0f59c30e1159b6229e5f0a97fd042cc2
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/c35366c71fb804f90ed882ea82f61800
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/2eb4e2b554c826175d5861fbe4121cf1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/68544d0e24f376a2a0172b8c07eb235f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/09042604ce6aea29e15cc3faafb0284d
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5732ea62c8724f7e20a4cc267ed111d6
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/957fad013ca010289fccaf07eba68f62
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/481779f7d475f07d3a5e4f0bc06eafab
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/caf47ab6c6c883d05da5da8684cefb47
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e31b0f98339c869d8c03a3273af6511e
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f27e62b861a27d22aec7689f36f86af
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bca47aac37d2a7d757128c6a4d334ae8
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bb5dbd9ce947c86b88a0430ac920077c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f7ed41e81892936065cf6e231300d92
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4e4cf1344179544b063154ff81b1cc2c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0f59c30e1159b6229e5f0a97fd042cc2
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/c35366c71fb804f90ed882ea82f61800
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/2eb4e2b554c826175d5861fbe4121cf1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/68544d0e24f376a2a0172b8c07eb235f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/09042604ce6aea29e15cc3faafb0284d
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5732ea62c8724f7e20a4cc267ed111d6
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/957fad013ca010289fccaf07eba68f62
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/481779f7d475f07d3a5e4f0bc06eafab
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/caf47ab6c6c883d05da5da8684cefb47
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/e31b0f98339c869d8c03a3273af6511e
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f27e62b861a27d22aec7689f36f86af
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bca47aac37d2a7d757128c6a4d334ae8
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/bb5dbd9ce947c86b88a0430ac920077c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/6f7ed41e81892936065cf6e231300d92
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/4e4cf1344179544b063154ff81b1cc2c
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/0f59c30e1159b6229e5f0a97fd042cc2
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/c35366c71fb804f90ed882ea82f61800
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/2eb4e2b554c826175d5861fbe4121cf1
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/68544d0e24f376a2a0172b8c07eb235f
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/09042604ce6aea29e15cc3faafb0284d
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    [Memory]0.0s, 0.0min    : Loading _fit_transform_one from /tmp/tmpw8tf51li/joblib/sklearn/pipeline/_fit_transform_one/5732ea62c8724f7e20a4cc267ed111d6
    ___________________________________fit_transform_one cache loaded - 0.0s, 0.0min
    ________________________________________________________________________________
    [Memory] Calling sklearn.pipeline._fit_transform_one...
    _fit_transform_one(PCA(copy=True, iterated_power=7, n_components=8, random_state=None,
      svd_solver='auto', tol=0.0, whiten=False), 
    array([[0., ..., 0.],
           ...,
           [0., ..., 0.]]), array([0, ..., 8]), None)
    ________________________________________________fit_transform_one - 0.0s, 0.0min


The ``PCA`` fitting is only computed at the evaluation of the first
configuration of the ``C`` parameter of the ``LinearSVC`` classifier. The
other configurations of ``C`` will trigger the loading of the cached ``PCA``
estimator data, leading to save processing time. Therefore, the use of
caching the pipeline using ``memory`` is highly beneficial when fitting
a transformer is costly.


**Total running time of the script:** ( 2 minutes  15.678 seconds)


.. _sphx_glr_download_auto_examples_compose_plot_compare_reduction.py:


.. only :: html

 .. container:: sphx-glr-footer
    :class: sphx-glr-footer-example



  .. container:: sphx-glr-download

     :download:`Download Python source code: plot_compare_reduction.py <plot_compare_reduction.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: plot_compare_reduction.ipynb <plot_compare_reduction.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.readthedocs.io>`_
