[R] plm pakage

From: valeria pedrina <valeria.pedrina_at_gmail.com>
Date: Wed, 26 Nov 2008 13:10:16 +0100

Hi everyone, I'm doing a panel data analisys and I want to run three estimation methods against my available dataset:pooled OLS, random and fixed effects. I have 9 individuals and 5 observation for each individual. this is my code,what's wrong?

X <- cbind(y,x)
X <-data.frame(X)

vedo<-plm(y~x, data=ooo)

and this is the error:
Errore in X.m[, coef.within, drop = F] : numero di dimensione errato thanks

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