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Topic: Discriminant analysis and mahalanobis distance
Replies: 2   Last Post: May 21, 2012 10:59 AM

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Tom Lane

Posts: 854
Registered: 12/7/04
Re: Discriminant analysis and mahalanobis distance
Posted: May 21, 2012 10:59 AM
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> Do you know what in this case mahalanobis distance is?
>
> Is it linear DA which is using mahalanobis distance or is it quadratic DA
> which is using mahalanobis distance?


Matija, the 'mahalanobis' option produces separating curves that are
quadratic. Just like the 'quadratic' option, it's based on estimating a
separate covariance matrix for each group. That's what the "stratified"
statement is trying to convey.

-- Tom




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