search for: dpi30

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2005 Jul 05
4
Discriminant Function Analysis
...I want to visualise that and create a classification function. Please note at this stage it is a proof of concept problem - I realise that I must follow this up with a much more robust anaylsis involving cross-validation. 1) First problem, I got this error message: > z <- lda(C0GRP_NA ~ ., dpi30) Warning message: variables are collinear in: lda.default(x, grouping, ...) I guess this is not a good thing, however, I *did* get a result and it discriminated perfectly between my groups. Can anyone explain what this means? Does it invalidate my results? 2) My analysis came up with one disc...