These are my go-to libraries for Python data crunching.

Uncover the hidden pitfalls of Excel regression and learn why Python is the key to unlocking clean, efficient data analysis.

A tutorial with examples of various access and display types can be seen at crotwell.github.io/seisplotjs. Also see the wiki. Install with npm i --save seisplotjs.

QuantStats Python library that performs portfolio profiling, allowing quants and portfolio managers to understand their performance better by providing them with in-depth analytics and risk metrics.