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  1. Pipelining: chaining a PCA and a logistic regre...

    arange ( 1 , pca . n_components_ + 1 ), pca . explained_variance_ratio_...( max_iter = 10000 , tol = 0.1 ) pipe = Pipeline ( steps = [(...
    scikit-learn.org/stable/auto_examples/compose/plot_digits_pipe.html
    Mon Mar 23 20:39:20 UTC 2026
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  2. Kernel Density Estimate of Species Distribution...

    subplot ( 1 , 2 , i + 1 ) # construct a kernel density...by Phillips et. al. (2006) [ 1 ] . If available, the example...
    scikit-learn.org/stable/auto_examples/neighbors/plot_species_kde.html
    Mon Mar 23 20:39:22 UTC 2026
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  3. 10. Model persistence — scikit-learn 1.8.0 docu...

    1.1. Train and Persist the Model...serialized by pickle or joblib . 10.1. Workflow Overview # In a typical...
    scikit-learn.org/stable/model_persistence.html
    Mon Mar 23 20:39:23 UTC 2026
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  4. Classification of text documents using sparse f...

    the mean squared error on {-1, 1} encoded targets, one for each...n_features: { X_train . shape [ 1 ] } " ) print ( f "vectorize testing...
    scikit-learn.org/stable/auto_examples/text/plot_document_classification_20newsgroups.html
    Mon Mar 23 20:39:20 UTC 2026
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  5. Post pruning decision trees with cost complexit...

    plot ( ccp_alphas [: - 1 ], impurities [: - 1 ], marker = "o" , drawstyle...clfs [ - 1 ] . tree_ . node_count , ccp_alphas [ - 1 ] ) ) Number...
    scikit-learn.org/stable/auto_examples/tree/plot_cost_complexity_pruning.html
    Mon Mar 23 20:39:20 UTC 2026
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  6. Balance model complexity and cross-validated sc...

    `n_jobs` default changed from 1 to None 1 refit refit: bool, str, or...more details. .. versionadded:: 1.1 10 power_iteration_normalizer...
    scikit-learn.org/stable/auto_examples/model_selection/plot_grid_search_refit_callable.html
    Mon Mar 23 20:39:21 UTC 2026
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  7. Permutation Importance with Multicollinear or C...

    subplots ( 1 , 2 , figsize = ( 12 , 8 )) mdi_importances...ax1 , ax2 ) = plt . subplots ( 1 , 2 , figsize = ( 12 , 8 )) corr...
    scikit-learn.org/stable/auto_examples/inspection/plot_permutation_importance_multicollinear.html
    Mon Mar 23 20:39:20 UTC 2026
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  8. Post-tuning the decision threshold for cost-sen...

    array([1.e-06, 1.e-05, 1.e-04, 1.e-03, 1.e-02, 1.e-01, 1.e+00,...array([1.e-06, 1.e-05, 1.e-04, 1.e-03, 1.e-02, 1.e-01, 1.e+00,...
    scikit-learn.org/stable/auto_examples/model_selection/plot_cost_sensitive_learning.html
    Mon Mar 23 20:39:22 UTC 2026
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  9. Plot the decision surfaces of ensembles of tree...

    () - 1 , X [:, 0 ] . max () + 1 y_min , y_max = X [:, 1 ] . min...min () - 1 , X [:, 1 ] . max () + 1 xx , yy = np . meshgrid (...
    scikit-learn.org/stable/auto_examples/ensemble/plot_forest_iris.html
    Mon Mar 23 20:39:20 UTC 2026
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  10. Model-based and sequential feature selection — ...

    027 1.058 concavity (worst): 0.0 1.252 concave points...search in the space of 1-4 features and 1-3 separating planes....
    scikit-learn.org/stable/auto_examples/feature_selection/plot_select_from_model_diabetes.html
    Mon Mar 23 20:39:20 UTC 2026
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