[R] using index of a loop as a macro variable

From: E. Michael Foster <foster_at_pop.psu.edu>
Date: Tue 05 Jul 2005 - 06:31:50 EST


I'm a long-time STATA user and a R newbie. I'm doing ok, but I'm addicted to STATA macro variables. Is there something like a macro variable in R?

Specifically, I'd like to be able to do something like

for (i in 1:3) {

	x`i' <- ...


where R would resolve x`i' to the objects named x1, x2 and x3 as I move through the loop. I guess I could create these in advance of the loop and fill them in, but I'd rather not.

Is there a way to use an index of a loop in this manner?


E. Michael Foster
Professor of Maternal and Child Health
School of Public Health
University of North Carolina

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