[R] mca

[Uwe Ligges]

Marwan Khawaja wrote:
> 
> Dear All,
> I want to 'impose' supplementary points to an mca plot -- using V&R MASS
> library -- and I wonder if anyone had any luck.  The book (4th edition) says it
> can be done using predict.mca but there are no examples provided in the help
> pages.
> Would appreciate any help/pointers.
> Thanks Marwan

What about 
 points(predict(mcaObject, newdata = newData))
?

> btw, to Professor Ripley -- the abbrev=TRUE option for labels does not seem to
> work.

Why do you think so? At least the example in ?mca works.

Uwe Ligges


> R.Version
> 
> platform i386-pc-mingw32
> arch     i386
> os       mingw32
> system   i386, mingw32
> status
> major    1
> minor    8.1
> year     2003
> month    11
> day      21
> language R
> 
> -------------------------------------------------------------------
> Marwan Khawaja         http://departments.aub.edu.lb/~mk36
> 
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