quantopian / alphalens

Performance analysis of predictive (alpha) stock factors
http://quantopian.github.io/alphalens
Apache License 2.0
3.26k stars 1.13k forks source link

BUG: compute_mean_return_spread returns error if no std_err argument #302

Closed luca-s closed 6 years ago

luca-s commented 6 years ago

Issue #299