Panel data rolling between country standard deviation by year

Hi Statalist member. This is probably a pretty easy question to answer but I did not find a proper solution to this and hope some could he...

bayes: mlogit - error

Hello everyone, I have the following vector (A) with 73 observations: A | Freq. Percent Cum. -----------+------------------------------...

Heckman model with more observations than reg

Dear Statalist, I am running heckman models and compare the results with reg (OLS). For example heckman lghwage wexpfull, select(age) reg...

Adding in stata with some missing

Hi I was wondering if anyone can help with coding. I'm struggling a bit with this. I'm trying to add up a set of variables (9 in t...

Running psmatch2 on my dataset, but it takes a long time and no results have come out yet. Should I keep waiting?

Dear all, I am trying to do PSM matching with psmatch2. I have 244,280 samples from 2003 to 2006 needed for propensity score matching. I reg...

Help with swilk result

Variable score in a dataset of 1020 records can have only three values: 0, 1, or 2; why would "swilk score" command give a p value...

Help to reduce instrument count with xtabond2 command

Dear all I need help to minimize the instrument count in my dynamic panel model estimation using difference and system GMM method. Can anyo...