Groupwise computatations

Documentation for package `doBy' version 0.3

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