Equivalent to Stata egen

Peter Kraglund Jacobsen <peter <at> kraglundjacobsen.dk> writes:

What are the R equivalents to the Stata command egen?

egen temp = anycount(t0vas t30vas t60vas t120vas t240vas t360vas),
values(0,1,2,3,4,5,6,7,8,9,10)
egen temp2 = rowtotal(t0vas t30vas t60vas t120vas t240vas t360vas)

And people call R documentation cryptic! As far as I can tell the corresponding
function would be ave, but that is only a guess since there really is not much
help regarding egen's purpose from the voluminous Stat documentation.

David Winsemius
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