The Hmisc library contains many functions useful for data analysis,
high-level graphics, utility operations, functions for computing
sample size and power, translating SAS datasets into S-PLUS, imputing
missing values, advanced table making, variable clustering, character
string manipulation, recoding variables, and bootstrap repeated
measures analysis. For more background on Hmisc, see
http://fharrell.biostat.virginia.edu/s/index.html.
Usage:
library(Hmisc)