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Discriminant Analysis

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  • #53972

    V Chitra
    Guest

    Why should I use only 3 variables when conducting a discriminant analysis?

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    #192365

    Robert Butler
    Participant

    There are caveats with respect to variables and sample size as well as issues of variable co-linearity but I’m not aware of any arbitrary limit with respect to variables used in a discriminant analysis. – do you have a reference?

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    #192369

    MBBinWI
    Participant

    @veecee83 – are you sure that wasn’t a minimum of 3? Limiting to 3 would seem to defeat the main reason for doing DA.

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