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)})
Thanks in advance
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