Can anybody explain to me how to calculate Eigen values for linear
discriminants, which have been identified in the scaling matrix of a LDA
analysis [lda()].
cheers
~~
Robert Lonsinger
Wildlife Grad. Research Assistant
New Mexico State University
Dept. of Fish
Can anybody recommend a nonparametric alternative to linear discriminant
function that may be available as a package in R?
Cheers,
Rob
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everal existing implementations.
> rseek.org is a good place to find functions.
>
> Sarah
>
> On Fri, Jan 29, 2010 at 9:48 PM, Robert Lonsinger
> wrote:
>> Hello,
>> I am a new R user and trying to learn how to implement the mahalanobis
>> function to me
Hello,
I am a new R user and trying to learn how to implement the mahalanobis
function to measure the distance between to 2 population centroids. I
have used STATISTICA to calculate these differences, but was hoping to learn
to do the analysis in R. I have implemented the code as below, but my
re
I have conducted a discriminant function analysis with lda() in the MASS
Package, and I am interested in testing that the covariance matrices of the
groups are equal.
Does anybody have any suggestions on how I could test for equality between
covariance matrices?
Any help would be great. Thank yo
of covariance matrices, either from the resulting output from the
lda model or from the original dataset?
Thank you very much.
Cheers,
Rob --
~~~~~~
Robert Lonsinger
Wildlife Grad. Research Assistant
New Mexico State University
Dept. of Fish, Wildlife, & Cons. Ecology
rob.lo
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