While you can do some good data analysis with a spreadsheet like Excel, if you want to take your calculations to the next level, you might try Python in a Jupyter notebook instead. Here are some ...

A distribution plot is pretty similar to the histogram functionality in matplotlib. Instead of a frequency plot, it plots an approximate probability density for that rating bucket. And the curve (or ...

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.