On 20.02.2010 19:10, Nancy Adam wrote:
Hi all
I receive this error message: “Error in mymodel$MSE : $ operator is invalid
for atomic vectors”
When I use KNN.
This is the code:
library(e1071)
train<- rbind(iris3[,,1], iris3[,,2], iris3[,,3])
cl<- factor(c(rep("s",50), rep("c",50), rep("v",50)))
knn.cv(train, cl, k = 3, prob = TRUE)
sqrt(mymodel$MSE)
#error message : “Error in mymodel$MSE : $ operator is invalid for atomic
vectors”
There is no component MSE in mymodel. Hence you cannot extract it.
Uwe Ligges
thanks,
Nancy
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