Hello R experts,
can you tell me a simple way to convert a charactor matrix to numeric matrix?
if I use as.numeric, the matrix is converted to a vector.
a<-cbind(c("23","54","65"),c("1","2","3"))
a
[,1] [,2]
[1,] "23" "1"
[2,] "54" "2"
[3,] "65" "3"
as.numeric(a)
[1] 23 54 65 1 2 3
thanks
Jian
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