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cross
2003 Apr 21
3
To create a Panel and run a Pooled OLS
Dear all,
I have tried to merge two cross sections (crossA and crossB) as follows, both
crossA and crossB include the same variables, e.g., ID,y,x1,x2:
Panel <- merge(crossA,crossB,by="ID")
I have, thereafter, tried to run the following pooled OLS:
OLS <- lm(Panel$y~Panel$x1+Panel$x2)
and have received the following error message "Error in m...