jigold/zCall — pull request #1 by irinaColgiu (2012-07-26 12:29:28+00:00)
Title: I optimized the Python script so that doesn't iterate over all the columns and check if the current column is to be dropped, but instead it iterates over and gets only the information of interest. It runs 30% faster than the latest version.

... of iterating on all the columns.