rmDupl2colMatr: Remove lines of matrix redundant /duplicated for 1st and 2nd column
Description
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.
Usage
rmDupl2colMatr(mat, useCol = c(1, 2))
Arguments
mat
(matrix or data.frame) main input
useCol
(integer, length=2) columns to consider/use when looking for duplicated entries