[R] FORTRAN in R

[Ko-Kang Kevin Wang]

Hi,

I forgot to mention that if I simply type:
  names( X )
then it returns H L S W as what I want.

Ko-Kang

On Fri, 17 Aug 2001, Ko-Kang Kevin Wang wrote:

> Date: Fri, 17 Aug 2001 02:04:39 +1200 (NZST)
> From: Ko-Kang Kevin Wang <kwan022 at stat1.stat.auckland.ac.nz>
> To: Prof Brian Ripley <ripley at stats.ox.ac.uk>
> Cc: Jim Lemon <bitwrit at ozemail.com.au>, R Help <r-help at stat.math.ethz.ch>
> Subject: Re: [R] FORTRAN in R
> 
> I have tried leaps and it kind of works.
> 
> However when I tried to make it displays the variables' names instead of
> displaying 1 2 3 4..., I got some error messages.
> 
> Suppose I have a data frame called myData.  There are 5 variables (H, L,
> S, W, M), where M is the response variable and all the others are
> explanatory variables.
> 
> I extracted M out from myData, and call the new data frame (without M) X.
> 
> Then I tried:
>  leaps( X, M, names=names(X) )
>    Error in leaps(X, M, names = names(X)) : couldn't find function
>    "col.names<-"
> 
> If I do
>   leaps( X, M )
> then it works but columns in $which is displayed as 1 2 3 4 instead of H L
> S W.
> 
> I also tried to use names=list(names(X)) but it still doesn't work.
> 
> Helps will be appreciated ;-)
> 
> Cheers,
> 
> Ko-Kang Wang
> 
> 
> On Wed, 15 Aug 2001, Prof Brian Ripley wrote:
> 
> > Date: Wed, 15 Aug 2001 12:50:22 +0100 (BST)
> > From: Prof Brian Ripley <ripley at stats.ox.ac.uk>
> > To: Ko-Kang Kevin Wang <kwan022 at stat.auckland.ac.nz>
> > Cc: Jim Lemon <bitwrit at ozemail.com.au>, R Help <r-help at stat.math.ethz.ch>
> > Subject: Re: [R] FORTRAN in R
> > 
> > On Wed, 15 Aug 2001, Ko-Kang Kevin Wang wrote:
> > 
> > > In fact I'm wondering if there is a stepwise() function in R that works
> > > just as it works in Splus...I tried the stepfun library but it wasn't
> > > right, that is why I decided to copy the stepwise() function from Splus
> > > into R and got this problem.
> > 
> > No, there is nothing that works that poorly!  It has been superseded in
> > S-PLUS for at least ten years.
> > 
> > You have leaps() and friends in package leaps that uses better algorithms,
> > or step() which covers more general models (including those using th full
> > power of formulae), respects hierarchies and actually optimizes a
> > defensible criterion.
> > 
> > -- 
> > Brian D. Ripley,                  ripley at stats.ox.ac.uk
> > Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> > University of Oxford,             Tel:  +44 1865 272861 (self)
> > 1 South Parks Road,                     +44 1865 272860 (secr)
> > Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> > 
> > 
> 
> ------------------------------------------------------------------------------
> Ko-Kang Kevin Wang
> Statistical Analysis Division Leader
> Software Developers' Klub (SDK)
> University of Auckland
> New Zealand
> 
> 

------------------------------------------------------------------------------
Ko-Kang Kevin Wang
Statistical Analysis Division Leader
Software Developers' Klub (SDK)
University of Auckland
New Zealand

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