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pdiff
2011 Jun 24
2
counting columns that fulfill specific criteria
Hi,
I have a matrix (pwdiff in the example below) with ~480000 rows and 780
columns.
For each row, I want to get the percentage of columns that have an absolute
value above a certain threshold "t". I then want to allocate that percentage
to matrix 'perc' in the corresponding row. Below is my attempt at doing...