budworm |
Effect of Insecticide on survivial of tobacco budworms |
codstom |
Diet of Atlantic cod in the Gulf of St. Lawrence (Canada) |
dietox |
Growth curves of pigs in a 3x3 factorial experiment |
doBy |
Various utilities which includes functions for creating groupwise
calculations etc. |
dose.LD50 |
Calculate LD50 |
esticon |
Contrasts for lm, glm, lme, and geeglm objects |
firstobs |
Locate the index of the first/last unique value |
lapplyBy |
Formula based version of lapply |
lastobs |
Locate the index of the first/last unique value |
orderBy |
Ordering (sorting) rows of a data frame |
print.splitByData |
Split 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 |