Returns the row indices for those rows in a matrix where the sum of the entries in that row is '>= k'. For example, in RNA-Seq, this returns the index of those features that have a coverage '>= k' when summed across all samples.
1 | which_k_covered_across_samples(mat, k = 2 * ncol(mat))
|
mat |
Either a matrix, data.frame, DGEList or ExpressionSet. |
k |
A single number. |
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