Re: compute probabilities (discriminant analysis)

Posted by Art Kendall on
URL: http://spssx-discussion.165.s1.nabble.com/compute-probabilities-discriminant-analysis-tp4990219p4990593.html

If by "group probabilities" you mean the probabilities for each case that are added to the file with the /save option that should be in the algorithms help.

If by "group probabilities" , you mean the crosstab of original by assigned groups from the classification phase that should also be in the algorithms help.

If these are not what you mean please give more detail.

Art Kendall
Social Research Consultants

On 11/14/2011 4:26 AM, drfg2008 wrote:

sorry for a somewhat fundamental question:

Does anyone know the formula how to compute the (group-) probabilities from
the discriminant scores? Any internet accessible literature is welcome.

(most descriptions of the discriminant analysis describe how to get the
discriminant scores, but amazingly do not provide any clue how to compute
the probabilities)

Thanks



-----
Dr. Frank Gaeth
FU-Berlin

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