randomholdoutsplit

[rasbt]

Description

Adds a RandomHoldoutSplit class to perform a train/valid split without rotation in SequentialFeatureSelector, scikit-learn GridSearchCV etc.

Related issues or pull requests

Pull Request Checklist

• Added a note about the modification or contribution to the ./docs/sources/CHANGELOG.md file (if applicable)
• Added appropriate unit test functions in the ./mlxtend/*/tests directories (if applicable)
• Modify documentation in the corresponding Jupyter Notebook under mlxtend/docs/sources/ (if applicable)
• Ran nosetests ./mlxtend -sv and make sure that all unit tests pass (for small modifications, it might be sufficient to only run the specific test file, e.g., nosetests ./mlxtend/classifier/tests/test_stacking_cv_classifier.py -sv)
• Checked for style issues by running flake8 ./mlxtend

[pep8speaks]

Hello @rasbt! Thanks for updating the PR.

• There are no PEP8 issues in the file mlxtend/evaluate/__init__.py !

• There are no PEP8 issues in the file mlxtend/evaluate/holdout.py !

• There are no PEP8 issues in the file mlxtend/evaluate/tests/test_holdout.py !

[coveralls]

Coverage increased (+0.2%) to 91.295% when pulling b0804b0 on randomholdoutsplit into 030c1b7 on master.