Difference in Differences with Multiple Periods, website: https://bcallaway11.github.io/did

A value investing tool based on Warren Buffett, Joseph Piotroski and Benjamin Graham thoughts

150 quantitative finance Python programs to help you gather, manipulate, and analyze stock market data

code to call stata from R.

Free R-Tips is a FREE Newsletter provided by Business Science. It comes with bite-sized code tutorials every week.

This is a package for computing the standard error of risk/performance estimators

Chinese version of RFS (Review of Financial Studies) bibliography style

Financial Engineering Tools

Functions for the construction of risk-based portfolios

Playground for Financial Data Science and Computing

tsbox: Class-Agnostic Time Series in R

git/github guide: Karl's minimal tutorial