[R] lda

[Uwe Ligges]

Pieter Vermeesch wrote:
> I'm trying to do a linear discriminant analysis on a dataset of three
> classes ("Affinities"), using the MASS library:
> 
>> data.frame2 <- na.omit(data.frame1)
>>
>> data.ld = lda(AFFINITY ~ ., data.frame2, prior = c(1,1,1)/3)
> 
> Error in var(x - group.means[g, ]) : missing observations in cov/cor
> 
> What does this error message mean and how can I get rid of it?

What does str(data.frame2) tell us?

Uwe Ligges


> Thanks!
> 
> Pieter
> 
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