Dear All, I have matrix of size 2500 x 12. I would like to select all the rows if 6 out 12 values are > 0. How can I do that in R? Thanks in advance. Kind regards, Ezhil
subsetting a matrix based on condition
2 messages · A Ezhil, Dimitris Rizopoulos
one way is: mat <- matrix(rnorm(2500*12), 2500, 12) ind <- rowSums(mat > 0) > 6 mat[ind, ] I hope it helps. Best, Dimitris
A Ezhil wrote:
Dear All, I have matrix of size 2500 x 12. I would like to select all the rows if 6 out 12 values are > 0. How can I do that in R? Thanks in advance. Kind regards, Ezhil
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