hi,
I have this error 

> tr <- sample(1:50, 25)
> train <- rbind(iris3[tr,,1], iris3[tr,,2], iris3[tr,,3])
> test <- rbind(iris3[-tr,,1], iris3[-tr,,2], iris3[-tr,,3])
> cl <- factor(c(rep("s",25), rep("c",25), rep("v",25)))
> z <- lda(train, cl)
Erreur : impossible de trouver la fonction "lda"

I don't understand why R doesn't recognize the lda function,
can you help me please?


      
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