How to run regressions on multidimensional panel data in R

Question

I need to run a regression on a panel data . It has 3 dimensions (Year * Company * Country). For example:

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 year | co         


        

Answer 1

I think you want to use lm() instead of plm(). This blog post here discusses what you're after:

https://www.r-bloggers.com/r-tutorial-series-multiple-linear-regression/

for your example I'd imagine it would look something like the following:

lm(formula = comp ~ count + year, data = dataname)