Sweep

Introduction This blog post will compare sweep() and a function I’ve created called mop(). I argue that the latter is preferred over the former, as it is more concise in nature. The Old Way: sweep() The function sweep()1 allows one to process data based on a summary statistic function–for example, dividing each element by a column’s mean. A problem, however, arises: you are required to explicitly state the summary statistic value in the STATS input.