[R] summary.formula: method reverse does not use fun argument

Thomas Lumley tlumley at u.washington.edu
Fri Apr 11 17:38:55 CEST 2003


On Fri, 11 Apr 2003, Thomas Gerds wrote:

> hi,
>
> recently i discovered the functionability summary.formula, awesome!

It would be useful to say *where* you discovered it -- it is in a package
that isn't yet on CRAN.


> from the help page i understand that method=reverse allows to
> summarize all variables on the right hand side of formula
> (the help page on line 229 wrongly refers to the left? hand side variables)
> in categories which are determined by a single left hand side
> variable.
>
> my problem is that the argument fun seems not to be compatible with
> method=reverse!? every continuous variable is summarized in three
> quantiles.

Yes, that's what the help page says.

It also says that for the default method="response" the response variable
can be multivariate, which seems to be what you want.  It says many other
helpful things, too.


	-thomas



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