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2007 Jun 13
1
how to optionally include variables in a data.frame at assignment
...Is there
a way to accomplish this in the original assignment? Or must I first
create the core data.frame with the variables I always want and then
use if blocks to add other variables?
Basically, I'm hoping for something like this (which does not work):
newDat <- data.frame(x, y, if(zInclude) z else NULL)
Thanks, Jenny