Hi Milan,
On Tue, 30 Oct 2012 10:25:56 +0100
Milan Bouchet-Valat wrote:
> Le samedi 27 octobre 2012 à 10:44 -0400, John Fox a écrit :
> > Hi Milan,
> >
> > Take a look at the contr.Sum() and contr.Treatment() functions in the
> > car package.
> Yeah, this is the kind of function I had in mind.
Le samedi 27 octobre 2012 à 10:44 -0400, John Fox a écrit :
> Hi Milan,
>
> Take a look at the contr.Sum() and contr.Treatment() functions in the
> car package.
Yeah, this is the kind of function I had in mind. Just that I think we
should have an equivalent in the base packages.
> (I recall, BTW,
Hi Milan,
Take a look at the contr.Sum() and contr.Treatment() functions in the car
package.
(I recall, BTW, the sometimes acrimonious previous discussion of this issue.)
Best,
John
John Fox
Sen. William McMaster Prof. of Social Statistics
Depa
Hi!
I would like to suggest to make it possible, in one way or another, to
get meaningful contrast names when using contr.sum(). Currently, when
using contr.treatment(), one gets factor levels as contrast names; but
when using contr.sum(), contrasts are merely numbered, which is not
practical and
