budworm                 Effect of Insecticide on survivial of tobacco
                        budworms
dietox                  Growth curves of pigs in a 3x3 factorial
                        experiment
doBy                    Various utilities which includes functions for
                        creating groupwise calculations etc.
doby.xtabs              Function to do groupwise calculations
dose.LD50               Calculate LD50
esticon                 Contrasts for lm, glm, lme, and geeglm objects
orderBy                 Ordering (sorting) rows of a data frame
recodevar               recode levels of variable
sampleBy                Sampling from a data frame
splitBy                 Split a data frame
subsetBy                Finds subsets of a dataframe which is split by
                        variables in a formula.
summaryBy               Function to calculate groupwise summary
                        statistics
transformBy             Function to make groupwise transformations
