* added v0.19.1 and wip v0.19
* finished adding vchanged strings for v0.19
Towards #15426
@adrinjalali #wimlds #scikitlearnsprint
* fixing linter issues
* caught line issues with flake8
* caught the last line issue
* added lines and cleaned gtiignore
* Update sklearn/multiclass.py
Co-Authored-By: Thomas J Fan <thomasjpfan@gmail.com>
* Update sklearn/multiclass.py
Co-Authored-By: Thomas J Fan <thomasjpfan@gmail.com>
Co-authored-by: Thomas J Fan <thomasjpfan@gmail.com>
* 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>
* print train scores when verbose > 3 in _fit_and_score
* train_scores computed if verbose > 3, and 3 decimals places only
* flake8 warnings solved
* print train score if return_train_score
test coverage increased
* added test for multimetric;
tests cleaned using pytest parametrize
* fixing failed tests for python2...
* revert changes in _scorer
* modified whats_new
* modified whats_new again
#### Reference Issues/PRs
<!--
Example: Fixes#1234. See also #3456.
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This PR addresses issue #12466.
#### What does this implement/fix? Explain your changes.
This PR does the 3 following things:
- Rewrite the `cv` parameter description in `GridSearchCV`
- Link the new `CV splitter` description to an existing example
- Add an example with a custom iterable
Thanks for reviewing this!
Close#12466
* add FutureWarning for methods with defaults=3
* add explicit cv values to fix assertion errors
* add tests for catching the FutureWarning
* Write current deprecation version
* Add deprecation in docstring
* change default cv value to None
* change cv from 3 to 5 in the examples
* upgrade doctests
* update doctest in tutorial
* update doctest in cross-validation doc
* fix tests
* add entry to whats new
* address Gael comments
* address Gael comments 2
* fix wrong indentation
* update doc
* add docstring deprecation warning in CV subclasses
* address Andy's comments
* fix PR number
* fix flake8
* add filterwarnings in tests
* fix doctests
* cv=None mendatory in Ridge
* fix warning related errors
* skip some doctests warnings
* make travis happy
* change from deprecated to versionchanged
* fix doctests and remove skipping
* address comments
Juan Carlos Alfaro Jiménez
Hanmin Qin