[Rd] Suggestions for manipulating formula objects

Thomas Lumley tlumley at u.washington.edu
Thu Apr 21 01:47:12 CEST 2005

On Wed, 20 Apr 2005 rlee at fpcc.net wrote:

> I'm trying to manipulate/change a formula prior to passing it to another
> function.  A simplified example:
> User passes formula to my function: y~x
> My function does: lm(transform(y)~x)
> Here, transform() is added to the model's response.
> What is the best way to accomplish this?

One way is



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