{"nbformat":4,"nbformat_minor":0,"metadata":{"colab":{"provenance":[],"authorship_tag":"ABX9TyMJc9UuIuMtUnuD9KtHsJno"},"kernelspec":{"name":"python3","display_name ...
"Classifiers are also useful for describing grouping keys for complex transformations on Factor outputs. Grouping operations such as [demean](https://www.quantopian ...