Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

Mean Formula: Check what is mean, its definition and its formula here. Also, get solved examples of calculating mean for grouped and ungrouped data using direct mean formula and assumed mean method.

This paper develops tests of unconditional mean-variance efficiency under weak distributional assumptions using a Generalized Method of Moments framework. These tests are potentially more robust than ...