describedata - Miscellaneous Descriptive Functions

Helper functions for descriptive tasks such as making print-friendly bivariate tables, sample size flow counts, and visualizing sample distributions. Also contains 'R' approximations of some common 'SAS' and 'Stata' functions such as 'PROC MEANS' from 'SAS' and 'ladder', 'gladder', and 'pwcorr' from 'Stata'.