Gtools Macro May 2026

* Verify variable exists confirm variable `oldvar'

* Determine new variable name if "`generate'" == "" & "`replace'" == "" local newvar = "`oldvar'_transformed" else if "`generate'" != "" local newvar = "`generate'" else if "`replace'" != "" local newvar = "`oldvar'" gtools macro

* Parse variable list - use first variable only tokenize `varlist' local oldvar = "`1'" * Verify variable exists confirm variable `oldvar' *