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2012 Jul 24
3
Plm on splitted data
Hi all I want to use plm function on splitted dataset but facing problems while doing it. I did the same for lm function it worked fine but now my problem forces me to use lags into it while in a single set I have multiple type of data, which I believe can only be done with panel data. The code I am using is A = split(mydata, mydata$Unique.ID.Number) Z = lapply(A, function(df){plm(Total.Sales