Multiple Vector with matrix in R

Hi A.K

Here is the error I get when I use %*%

dim(X)

[1] 71142   219

length(Weights)

[1] 71142

Wx<-diag(Weights)%*%X

Error in array(0, c(n, p)) : 'dim' specifies too large an array

That is why I asked for different and faster method



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