Re: [Rd] Proposal: model.data

From: Martin Maechler <maechler_at_stat.math.ethz.ch>
Date: Fri, 04 May 2012 18:56:56 +0200

>>>>> "PJ" == Paul Johnson <pauljohn32_at_gmail.com> >>>>> on Thu, 3 May 2012 12:09:08 -0500 writes:

    PJ> Greetings: On Thu, May 3, 2012 at 11:36 AM, Brian     PJ> G. Peterson <brian_at_braverock.com> wrote:
>> On Thu, 2012-05-03 at 10:51 -0500, Paul Johnson wrote:

    >>> If somebody in R Core would like this and think about
    >>> putting it, or something like it, into the base, then
    >>> many chores involving predicted values would become much
    >>> easier.
    >>> 

>> Why does this need to be in base?  Implement it in a
>> package.
    >>> 

>> If it works, and is additive, people will use it.  Look
>> at 'reshape' or 'xts' or 'Matrix' just to name a few
>> examples of widely used packages.
>>

    PJ> I can't use it to fix termplot unless it is in base.

Indeed. I think it would be useful to "branch this topic" into one part where it is about fixing

     termplot() and predict(*, type = "terms") because -- as it happens -- I've got this on my todo list to look at, for a couple of weeks now.
I also think there are "infelicities" in there that could/should be improved.

    PJ> Or are you suggesting I create my own "termplot"     PJ> replacement?

not necessarily.. ;-)

Martin



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