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doBy (version 4.1.2)
Groupwise summary statistics, general linear contrasts, LSMEANS (least-squares-means), and other utilities
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
348,257
Version
4.1.2
License
GPL (>= 2)
Maintainer
S�ren H�jsgaard
Last Published
November 26th, 2010
Functions in doBy (4.1.2)
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renameCol
Rename columns in a matrix or a dataframe.
dietox
Growth curves of pigs in a 3x3 factorial experiment
firstlastobs
Locate the index of the first/last unique value
subsetBy
Finds subsets of a dataframe which is split by variables in a formula.
internal
Internal functions for the doBy package
splitBy
Split a data frame
doBy
Various utilities which includes functions for creating groupwise calculations etc.
sampleBy
Sampling from a data frame
transformBy
Function to make groupwise transformations
which.maxn
Where are the n largest or n smallest elements in a numeric vector ?
dose.LD50
Calculate LD50
recodeVar
Recode values of a vector
budworm
Effect of Insecticide on survivial of tobacco budworms
esticon
Contrasts for lm, glm, lme, and geeglm objects
lsmeans
Calculates LSMEANS (population means)
orderBy
Ordering (sorting) rows of a data frame
codstom
Diet of Atlantic cod in the Gulf of St. Lawrence (Canada)
subSeq
Find sub-sequences of identical elements in a vector.
lapplyBy
Formula based version of lapply
timeSinceEvent
Calculate "time since event" in a vector.
beets
Yield and sugar percentage in sugar beets from a split plot experiment.
summaryBy
Function to calculate groupwise summary statistics