Finish decomposition explained variance visualizer

DistrictDataLabs / yellowbrick

Visual analysis and diagnostic tools to facilitate machine learning model selection.

http://www.scikit-yb.org/

Apache License 2.0

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Finish decomposition explained variance visualizer #316

Open bbengfort opened 6 years ago

bbengfort commented 6 years ago

Thanks to @georgerichardson we have an explained variance visualizer for PCA decomposition. This needs to be wrapped up as follows:

Note to contributors: items in the below checklist don't need to be completed in a single PR; if you see one that catches your eye, feel to pick it off the list!

[ ] expressiveness for other explained variances
[ ] labeling and key values features
[ ] tests
[ ] documentation

See #238

bbengfort commented 6 years ago

See this blog post: A One-Stop Shop for Principal Component Analysis for a detailed and readable explanation of PCA as well as the use of the "scree plot" for selecting the number of components, which is what this visualizer is largely for.

bbengfort commented 5 years ago

@naresh-bachwani let's make sure that we close this issue when you finish #954