API: standard deviation bars optional in create_event_returns_tear_sheet

quantopian / alphalens

Performance analysis of predictive (alpha) stock factors

http://quantopian.github.io/alphalens

Apache License 2.0

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API: standard deviation bars optional in create_event_returns_tear_sheet #265

Closed luca-s closed 6 years ago

luca-s commented 6 years ago

Sometimes the user just want the event study style return plot without the additional sub-plots that show the standard deviation bars. Added an option to allow the sub-plots to be optional.