Written for STAT 585X after going through the datadr tutorial by Ryan Hafen and others
The concept that datadr was built upon, divide and recombine, is essentially the same as the concept behind plyr, split-apply-combine.
Written for Stat 585X after reading Tidy Data by Hadley Wickham
Hadley Wickham, having gained a quasi god-like amount of knowledge about data cleaning and analysis throughout his statistical lifetime thus far, wrote the “Tidy Data” paper to enlighten those of us who are mere mortals of the statistics world on one aspect of data cleaning: data tidying.