Split-Apply-Combine Strategy for Data Mining

In a typical exploratory data analysis, we approach the problem by dividing the data set at some granular level and then aggregating the data at that granularity in order to understand the central tendency. Similarly, a famous (must read) paper by, Hadley Wickham, outlines split-apply-combine strategy as one of the most common strategies in data analysis. Be it Marketing Segmentation, or any Behavioral Research…