Remove lines of matrix redundant /duplicated for 1st and 2nd column
rmDupl2colMatr
removes lines of matrix that are redundant /duplicated for 1st and 2nd column (irrespective of content of their columns).
The first occurance of redundant /duplicated elements is kept.
rmDupl2colMatr(mat, useCol = c(1, 2))
mat |
(matrix or data.frame) main input |
useCol |
(integer, length=2) columns to consider/use when looking for duplicated entries |
matrix with duplictaed lines removed
mat <- matrix(1:12,ncol=3) mat[3,1:2] <- mat[1,1:2] rmDupl2colMatr(mat)
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