Stata: save name of variable with max value as a string -


i have several variables in same row: x1 x2 x3 x4

with egen , rowmax function, create new variable containing value x* highest value:

egen max_x = rowmax(x1 x2 x3 x4)

however, instead of saving maximum value, save name of variable contains maximum value string. how can that?

there might single command this, here 1 approach...

// generate test data set obs 10 forvalues i=1/4 {     gen float x`i' = runiform() }  tempvar valmax argmax gen `valmax' = x1 gen `argmax' = "x1" foreach v of varlist x2-x4 {     // value beat current highest value?     replace `argmax' = "`v'" if `v' > `valmax' & !mi(`v')     replace `valmax' = max(`valmax', `v') }  list

you should consider how ties , missing values handled.


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