Thanks Jared Greathouse. Actually, my objective here is to replicate a sdid ( with no covariates) result in synth.
However based on both Help files:
and
in synth'scase, predictorvars are not optional ( not in brackets).
In your example #15,
Aren't this covariates(predictorvars) ?
thks
However based on both Help files:
Code:
synth depvar predictorvars , trunit(#) trperiod(#) [ counit(numlist) xperiod(numlist) mspeperiod() resultsperiod() nested allopt unitnames(varname) figure keep(file) customV(numlist) optsettings ]
Code:
sdid depvar groupvar timevar treatment [if] [in], vce(vcetype) [covariates(varlist, [type]) ... ]
In your example #15,
Code:
synth fert /// classic SCM- Justin Wiltshire's command fert(1960) /// fert(1955) /// fert(1965) /// fert(1955/1965), ///
thks
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