On Tue, Jul 24, 2012 at 10:37 AM, goyalprtk <prateeka.go...@eclerx.com> wrote: > > 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 ~ Purchase.Score, data = df)}) > > It is showing this error > > Error in eval(expr, envir, enclos) : object 'Total.Sales' not found > > This works when we try > > Z = lapply(A, function(df){lm(Total.Sales ~ Purchase.Score, data = df)})
Hmmm, Strange -- would it be possible for you to whip up a small reproducible example? http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example Best, Michael > > > Thanks in advance > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Plm-on-splitted-data-tp4637610.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.