I found some issues with Stata's leastlikely command, so I fixed it up a bit. If you're getting issues with missing brackets, or failed to generate "Prob" or the error option outcome() not allowed then this will probably help. It's called leastlikely2, but you can rename it.
I also found that to give it a variable to put the probabilities into, you need to give it a previously generated variable.
gen pr = .
leastlikely2, generate(pr)
*! version 1.0.1 Jeremy Freese 17 June 2002 (SJ2-3: st0022)
* version 1.0.1-1 by Ryan Castle 29 March 2006
capture program drop leastlikely2
program define leastlikely2
syntax [varlist(default=none)] [if] [in] [, n(integer 5) generate(varname) *]
if "`e(cmd)'"=="clogit" | "`e(cmd)'"=="nlogit" | "`e(cmd)'"=="xtlogit" | /*
*/ "`e(cmd)'"=="blogit" | "`e(cmd)'"=="bprobit" | "`e(cmd)'"=="glogit" | /*
*/ "`e(cmd)'"=="gprobit" {
di _n as err "leastlikely not intended for use after `e(cmd)'"
exit 198
}
local erase "no"
tempname values prob touse
local depvar = "`e(depvar)'"
local depvarlabel : value label `depvar'
if "`generate'"=="" {
local generate "Prob"
local erase "yes"
}
noisily {
gen `touse' = e(sample) `if' `in'
gen `prob' = .
tabulate `depvar' if e(sample)==1, matrow(`values')
local temp : rownames `values'
local numcats : word count `temp'
forvalues i = 1(1)`numcats' {
local value`i' = `values'[`i', 1]
}
local isbin "no"
if `numcats'==2 & `value1'==0 & `value2'==1 {
local isbin "yes"
}
di "isbin=`isbin' numcats=`numcats' value1=`value1' value2=`value2'"
if "`isbin'" == "yes" {
tempname temp
predict `temp', p
replace `prob' = `temp' if `depvar'==1 & `touse'==1
replace `prob' = (1-`temp') if `depvar'==0 & `touse'==1
}
if "`isbin'" == "no" {
forvalues i = 1(1)`numcats' {
tempname temp
predict `temp', outcome(`value`i'')
replace `prob' = `temp' if `depvar'==`value`i'' & `touse'==1
}
}
replace `generate' = `prob'
}
forvalues i = 1(1)`numcats' {
local vallabel ""
if "`depvarlabel'"!="" {
local vallabel : label `depvarlabel' `value`i''
if "`vallabel'"!="" {
local vallabel = "(`vallabel')"
}
}
di _n as txt "Outcome: " as res `value`i'' " `vallabel'"
tempname temp
quietly egen `temp' = rank(`generate') if `depvar'==`value`i'' & `touse'==1, track
list `generate' `varlist' if `temp'< =`n' , `options'
}
if "`erase'"=="yes" {
drop `generate'
}
end
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