RE: [R] discriminate analysis

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From: Bill.Venables@CMIS.CSIRO.AU
Date: Fri 30 Mar 2001 - 23:00:54 EST


Message-ID: <2B7F04539DAFD311B61D009027D0DDA20C3DDA@roper-cv.qld.cmis.CSIRO.AU>

Rolling your own is a good idea, but you might like to look at lda "Linear
Discriminant Analysis" in the MASS library. If you are feeling adventurous
and you have oodles of data, you might like to look at qda (guess!)

Bill Venables.

| -----Original Message-----
| From: ben@zoo.ufl.edu [mailto:ben@zoo.ufl.edu]
| Sent: Friday, 30 March 2001 22:55
| To: David White
| Cc: r-help@stat.math.ethz.ch
| Subject: Re: [R] discriminate analysis
|
|
|
| I don't see it either, but I can tell you you're probably
| looking for
| "discriminant" rather than "discriminate" analysis. Someone else will
| probably write in with a solution; I'll just say that if you
| have a basic
| multivariate analysis text, R contains all of the linear algebra tools
| you'lll need to roll your own.
|
| Ben Bolker
|
| On Fri, 30 Mar 2001, David White wrote:
|
| >
| > Dear List,
| >
| > I'd like to run a discriminate analysis on a data set, but
| have no idea
| > how to go about this in R. I have attempted to locate info
| in the manuals,
| > but may not be consulting the right sections or documents.
| >
| > Can anyone point me to appropriate documentation if such exists.
| >
| > Many thanks,
| >
| > David
| >
| > S. David White
| > sdavidwhite@bigfoot.com
| > Columbus, Ohio
| >
| >
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|
| --
| 318 Carr Hall bolker@zoo.ufl.edu
| Zoology Department, University of Florida
http://www.zoo.ufl.edu/bolker
Box 118525 (ph) 352-392-5697
Gainesville, FL 32611-8525 (fax) 352-392-3704

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