* DOC fixed default values in dbscan (#15753) * DOC fix incorrect branch reference in contributing doc (#15779) * DOC relabel Feature -> Efficiency in change log (#15770) * DOC fixed Birch default value (#15780) * STY Minior change on code padding in website theme (#15768) * DOC Fix yticklabels order in permutation importances example (#15799) * Fix yticklabels order in permutation importances example * STY Update wrapper width (#15793) * DOC Long sentence was hard to parse and ambiguous in _classification.py (#15769) * DOC Removed duplicate 'classes_' attribute in Naive Bayes classifiers (#15811) * BUG Fixes pandas dataframe bug with boolean dtypes (#15797) * BUG Returns only public estimators in all_estimators (#15380) * DOC improve doc for multiclass and types_of_target (#15333) * TST Increases tol for check_pca_float_dtype_preservation assertion (#15775) * update _alpha_grid class in _coordinate_descent.py (#15835) * FIX Explicit conversion of ndarray to object dtype. (#15832) * BLD Parallelize sphinx builds on circle ci (#15745) * DOC correct url for preprocessing (#15853) * MNT avoid generating too many cross links in examples (#15844) * DOC Correct wrong doc in precision_recall_fscore_support (#15833) * DOC add comment in check_pca_float_dtype_preservation (#15819) Documenting the changes in #15775 * DOC correct indents in docstring _split.py (#15843) * DOC fix docstring of KMeans based on sklearn guideline (#15754) * DOC fix docstring of AgglomerativeClustering based on sklearn guideline (#15764) * DOC fix docstring of AffinityPropagation based on sklearn guideline (#15777) * DOC fixed SpectralCoclustering and SpectralBiclustering docstrings following sklearn guideline (#15778) * DOC fix FeatureAgglomeration and MiniBatchKMeans docstring following sklearn guideline (#15809) * TST Specify random_state in test_cv_iterable_wrapper (#15829) * DOC Include LinearSV{C, R} in models that support sample_weights (#15871) * DOC correct some indents (#15875) * DOC Fix documentation of default values in tree classes (#15870) * DOC fix typo in docstring (#15887) * DOC FIX default value for xticks_rotation in plot_confusion_matrix (#15890) * Fix imports in pip3 ubuntu by suffixing affected files (#15891) * MNT Raise erorr when normalize is invalid in confusion_matrix (#15888) * [MRG] DOC Increases search results for API object results (#15574) * MNT Ignores warning in pyamg for deprecated scipy.random (#15914) * DOC Instructions to troubleshoot Windows path length limit (#15916) * DOC add versionadded directive to some estimators (#15849) * DOC clarify doc-string of roc_auc_score and add references (#15293) * MNT Adds skip lint to azure pipeline CI (#15904) * BLD Fixes bug when building with NO_MATHJAX=1 (#15892) * [MRG] BUG Checks to number of axes in passed in ax more generically (#15760) * EXA Minor fixes in plot_sparse_logistic_regression_20newsgroups.py (#15925) * BUG Do not shadow public functions with deprecated modules (#15846) * Import sklearn._distributor_init first (#15929) * DOC Fix typos, via a Levenshtein-style corrector (#15923) * DOC in canned comment, mention that PR title becomes commit me… (#15935) * DOC/EXA Correct spelling of "Classification" (#15938) * BUG fix pip3 ubuntu update by suffixing file (#15928) * [MRG] Ways to compute center_shift_total were different in "full" and "elkan" algorithms. (#15930) * TST Fixes integer test for train and test indices (#15941) * BUG ensure that parallel/sequential give the same permutation importances (#15933) * Formatting fixes in changelog (#15944) * MRG FIX: order of values of self.quantiles_ in QuantileTransformer (#15751) * [MRG] BUG Fixes constrast in plot_confusion_matrix (#15936) * BUG use zero_division argument in classification_report (#15879) * DOC change logreg solver in plot_logistic_path (#15927) * DOC fix whats new ordering (#15961) * COSMIT use np.iinfo to define the max int32 (#15960) * DOC Apply numpydoc validation to VotingRegressor methods (#15969) Co-authored-by: Tiffany R. Williams <Tiffany8@users.noreply.github.com> * DOC improve naive_bayes.py documentation (#15943) Co-authored-by: Jigna Panchal <40188288+jigna-panchal@users.noreply.github.com> * DOC Fix default values in Perceptron documentation (#15965) * DOC Improve default values in logistic documentation (#15966) Co-authored-by: Guillaume Lemaitre <g.lemaitre58@gmail.com> * DOC Improve documentation of default values for imputers (#15964) * EXA/MAINT Simplify code in manifold learning example (#15949) * DOC Improve default values in SGD documentation (#15967) * DOC Improve defaults in neural network documentation (#15968) * FIX use safe_sparse_dot for callable kernel in LabelSpreading (#15868) * BUG Adds attributes back to check_is_fitted (#15947) Co-authored-by: Olivier Grisel <olivier.grisel@ensta.org> * DOC update check_is_fitted what's new * DOC change python-devel to python3-devel for yum. (#15986) * DOC Correct the default value of values_format in plot_confusion_matrix (#15981) * [MRG] MNT Updates pypy to use 7.2.0 (#15954) * FIX Add missing 'values_format' param to disp.plot() in plot_confusion_matrix (#15937) * FIX support scalar values in fit_params in SearchCV (#15863) * support a scalar fit param * pep8 * TST add test for desired behavior * FIX introduce _check_fit_params to validate parameters * DOC update whats new * TST tests both grid-search and randomize-search * PEP8 * DOC revert unecessary change * TST add test for _check_fit_params * olivier comments * TST fixes * DOC whats new * DOC whats new * TST revert type of error * add olivier suggestions * address olivier comments * address thomas comments * PEP8 * comments olivier * TST fix test by passing X * avoid to call twice tocsr * add case column/row sparse in check_fit_param * provide optional indices * TST check content when indexing params * PEP8 * TST update tests to check identity * stupid fix * use a distribution in RandomizedSearchCV * MNT add lightgbm to one of the CI build * move to another build * do not install dependencies lightgbm * MNT comments on the CI setup * address some comments * Test fit_params compat without dependency on lightgbm Co-authored-by: Guillaume Lemaitre <g.lemaitre58@gmail.com> Co-authored-by: Olivier Grisel <olivier.grisel@ensta.org> * Remove abstractmethod that silently brake downstream packages (#15996) * FIX restore BaseNB._check_X without abstractmethod decoration (#15997) * Update v0.22 changelog for 0.22.1 (#16002) - set the date - move entry for quantile transformer to the 0.22.1 section - fix alphabetical ordering of modules * STY Removes hidden scroll bar (#15999) * Flake8 fixes * Fix: remove left-over lines that should have been deleted during conflict resolution when rebasing * Fix missing imports * Update version * Fix test_check_is_fitted * Make test_sag_regressor_computed_correctly deterministic (#16003) Fix #15818. Co-authored-by: cgsavard <claire.savard@colorado.edu> Co-authored-by: Joel Nothman <joel.nothman@gmail.com> Co-authored-by: Thomas J Fan <thomasjpfan@gmail.com> Co-authored-by: Matt Hall <matt@agilegeoscience.com> Co-authored-by: Kathryn Poole <kathryn.poole2@gmail.com> Co-authored-by: lucyleeow <jliu176@gmail.com> Co-authored-by: JJmistry <jayminm22@gmail.com> Co-authored-by: Juan Carlos Alfaro Jiménez <JuanCarlos.Alfaro@uclm.es> Co-authored-by: SylvainLan <sylvain.s.lannuzel@gmail.com> Co-authored-by: Nicolas Hug <contact@nicolas-hug.com> Co-authored-by: Hanmin Qin <qinhanmin2005@sina.com> Co-authored-by: Adrin Jalali <adrin.jalali@gmail.com> Co-authored-by: Vachan D A <vachanda@users.noreply.github.com> Co-authored-by: Sambhav Kothari <sambhavs.email@gmail.com> Co-authored-by: wenliwyan <12013376+wenliwyan@users.noreply.github.com> Co-authored-by: shivamgargsya <shivam.gargshya@gmail.com> Co-authored-by: Reshama Shaikh <rs2715@stern.nyu.edu> Co-authored-by: Oliver Urs Lenz <oulenz@users.noreply.github.com> Co-authored-by: Loïc Estève <loic.esteve@ymail.com> Co-authored-by: Brian Wignall <BrianWignall@gmail.com> Co-authored-by: Ritchie Ng <ritchieng@u.nus.edu> Co-authored-by: Guillaume Lemaitre <g.lemaitre58@gmail.com> Co-authored-by: inderjeet <43402782+inder128@users.noreply.github.com> Co-authored-by: scibol <scibol@users.noreply.github.com> Co-authored-by: Tirth Patel <tirthasheshpatel@gmail.com> Co-authored-by: Bibhash Chandra Mitra <bibhashm220896@gmail.com> Co-authored-by: Alexandre Gramfort <alexandre.gramfort@m4x.org> Co-authored-by: Tiffany R. Williams <Tiffany8@users.noreply.github.com> Co-authored-by: Jigna Panchal <40188288+jigna-panchal@users.noreply.github.com> Co-authored-by: @nkish <19225359+ankishb@users.noreply.github.com> Co-authored-by: Pulkit Mehta <pulkit_mehta_work@yahoo.com> Co-authored-by: David Breuer <DavidBreuer@users.noreply.github.com> Co-authored-by: Niklas <niklas.sm+github@gmail.com> Co-authored-by: Windber <guolipengyeah@126.com> Co-authored-by: Stephen Blystone <29995339+blynotes@users.noreply.github.com> Co-authored-by: Brigitta Sipőcz <b.sipocz@gmail.com>