Stata - 18

Most user-written commands from SSC should work. However, commands that manipulate the Graph Editor or rely on deprecated python internals may need updates. StataCorp provides a stata18compatibility package to scan your ado directory.

No software is perfect. Here are the most common criticisms of Stata 18, with honest assessment: Stata 18

Stata 18 is available in four standard editions, catering to different dataset sizes: Most user-written commands from SSC should work

Platform Support: Windows (x86-64), macOS (Intel and Apple Silicon), and Linux. No software is perfect

The classic two-group, two-period DiD is insufficient for modern staggered treatment designs. Stata 18’s new did command implements the Callaway and Sant’Anna (2021) estimator, which is robust to treatment effect heterogeneity across time and groups. It automatically handles "not-yet-treated" vs. "never-treated" control groups.