On Wed, 19 Mar 2008, Liaw, Andy wrote:
> [I believe few users manipulate formulae and model frames like this, so
> I'm posting here instead of R-help.]
>
> I just found out that model.frame() includes all terms, including those
> preceded by "-" in the formula, in its output (as mentioned on its h
[I believe few users manipulate formulae and model frames like this, so
I'm posting here instead of R-help.]
I just found out that model.frame() includes all terms, including those
preceded by "-" in the formula, in its output (as mentioned on its help
page). Is there a recommended way of excludi