Keeps only the top top values in each column of a matrix, setting
others to 0.
Usage
binarizeTop(Z, top, keepVals = TRUE)
Arguments
- Z
A numeric matrix.
- top
Number of top entries to keep in each column.
- keepVals
If TRUE, retains original values above the cutoff;
otherwise, sets them to 1.
Value
A modified matrix with only top entries retained per column.
