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doBy (version 2.0)
Groupwise computations of summary statistics
Description
Facilities for groupwise computations of summary statistics and other facilities for working with grouped data.
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Install
install.packages('doBy')
Monthly Downloads
307,678
Version
2.0
License
GPL
Maintainer
S�ren H�jsgaard
Last Published
April 9th, 2025
Functions in doBy (2.0)
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splitBy
Split a data frame
codstom
Diet of Atlantic cod in the Gulf of St. Lawrence (Canada)
subsetBy
Finds subsets of a dataframe which is split by variables in a formula.
transformBy
Function to make groupwise transformations
orderBy
Ordering (sorting) rows of a data frame
lapplyBy
Formula based version of lapply
internal
Internal functions for the doBy package
recodevar
recode levels of variable
sampleBy
Sampling from a data frame
doBy
Various utilities which includes functions for creating groupwise calculations etc.
summaryBy
Function to calculate groupwise summary statistics
dose.LD50
Calculate LD50
esticon
Contrasts for lm, glm, lme, and geeglm objects
dietox
Growth curves of pigs in a 3x3 factorial experiment
budworm
Effect of Insecticide on survivial of tobacco budworms