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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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Version

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)

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