Stata By
The -by- prefix command splits the dataset by groups.
Usage
sort foo bar baz by foo bar baz: generate byte duplicate = cond(_N==1, 0, _n)
The -by- prefix command splits the dataset by groups.
sort foo bar baz by foo bar baz: generate byte duplicate = cond(_N==1, 0, _n)
Stata/By (last edited 2025-10-24 18:38:23 by DominicRicottone)