[R]parameters calculated by lda and qda

2003-06-09 Thread Power, Anne Marie 
Hi, 

I am not sure if I remember correctly a mail last week to this messageboard
where Prof Ripley said Fisher's discriminants are not used in lda within R
and that Rao's are used instead, is this true?  I looked in MASS (1996) but
I couldn't find the reference to this in chapter 12 (multivariate analysis),
the (help)lda doesn't tell me either.  Could anyone tell me where can I find
out this information as I am also interested in the method for qda?

Thanks

Anne

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Re: [R]parameters calculated by lda and qda

2003-06-09 Thread Uwe Ligges 
Power, Anne Marie wrote:

Hi, 

I am not sure if I remember correctly a mail last week to this messageboard
where Prof Ripley said Fisher's discriminants are not used in lda within R
and that Rao's are used instead, is this true?  I looked in MASS (1996) but
I couldn't find the reference to this in chapter 12 (multivariate analysis),
Chapter 12 Classification in the 4th edition (2002) of MASS has a 
description and gives references.


the (help)lda doesn't tell me either.  Could anyone tell me where can I find
out this information as I am also interested in the method for qda?
See the recent edition of MASS for qda() as well.

Uwe Ligges

Thanks

Anne

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