Ashwin Aishvarya Vardhan 241d966e54 added info about scikit-learn and accuracy metrics (#30179) ...

* added info about scikit-learn and accuracy metrics

Added some information about R-squared score.

* Update index.md

2019-05-17 11:26:20 -04:00

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index.md

added info about scikit-learn and accuracy metrics (#30179)

2019-05-17 11:26:20 -04:00