I have a matrix M > dim(M)
[1] 30380 561 I have another list L contains , that contains some row names of matrix M str (L) chr [1:21037] Now I want to extract the submatrix subM (21037 , 561) from the matrix M by matching the rownames (M) to the 21037 rownames o f L How do I do that ? Thanks and regards, Pankaj Barah Pankaj Barah Department of Biology Norwegian University of Science & Technology (NTNU) Realfagbygget, N-7491 Trondheim, Norway T [[alternative HTML version deleted]]
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