[R] Plm on splitted data

[R. Michael Weylandt]

On Tue, Jul 24, 2012 at 10:37 AM, goyalprtk <prateeka.goyal at 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 at 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.