I am writing a program in which I would like to take in a formula, change the
response (Y) variable into something else, and then pass the formula, with the
new Y variable to another function. That is, I am starting with
formula <- Y~X1+X2+X3
and I'd like to do something like
Y <- formula$Y
newY <- f(Y)
lm(newY~X1+X2+X3)
So far, it seems that my only option will be a very complicated sequence of
steps involving match.call(). Is there a simpler way to change the response
variable in a formula?
Thanks in advance!
Rebecca
--
Rebecca Sela
Statistics Department
Stern School of Business
New York University
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