Hi I have a character matrix with 2 columns A and B, If I want to sort the
matrix based on the column B, but based on a specific order of characters:
mat<-cbind(c('w','x','y','z'),c('a','b','c','d'))
ind<-c('c','b','d','a')
I want "mat" to be sorted by the sequence in "ind":
[,1] [,2]
[1,] "y" "c"
[2,] "x" "b"
[3,] "z" "d"
[4,] "w" "a"
Is there any simple function that can do this?
Thanks
John
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