# doBy - Groupwise summary statistics, general linear contrasts, population means (least-squares-means), and other utilities

## Documentation for package ‘doBy’ version 4.5-9

- DESCRIPTION file.
- Overview of user guides and package vignettes; browse directory.

## Help Pages

beets | Yield and sugar percentage in sugar beets from a split plot experiment.
budworm | Effect of Insecticide on survivial of tobacco budworms
carcass | Lean meat contents of 344 pig carcasses
carcassall | Lean meat contents of 344 pig carcasses
codstom | Diet of Atlantic cod in the Gulf of St. Lawrence (Canada)
coef.lmBy | List of lm objects with a common model
coef.summary.lmBy | List of lm objects with a common model
descStat | Computing simple descriptive statistics of a numeric vector.
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
esticon.coxph | Contrasts for lm, glm, lme, and geeglm objects
esticon.geeglm | Contrasts for lm, glm, lme, and geeglm objects
esticon.glm | Contrasts for lm, glm, lme, and geeglm objects
esticon.gls | Contrasts for lm, glm, lme, and geeglm objects
esticon.lm | Contrasts for lm, glm, lme, and geeglm objects
esticon.lme | Contrasts for lm, glm, lme, and geeglm objects
esticon.mer | Contrasts for lm, glm, lme, and geeglm objects
esticon.merMod | Contrasts for lm, glm, lme, and geeglm objects
firstobs | Locate the index of the first/last unique value
firstobs.default | Locate the index of the first/last unique value
firstobs.formula | Locate the index of the first/last unique value
fitted.lmBy | List of lm objects with a common model
formulaFunBy | A template function for creating groupwise functions
getBy | List of lm objects with a common model
lapplyBy | Formula based version of lapply
lastobs | Locate the index of the first/last unique value
lastobs.default | Locate the index of the first/last unique value
lastobs.formula | Locate the index of the first/last unique value
linest | Compute linear estimates
linest.lm | Compute linear estimates
linest.lmerMod | Compute linear estimates
lmBy | List of lm objects with a common model
LSMEANS | Calculate population means (LSMEANS in SAS jargon)
LSMEANS.default | Calculate population means (LSMEANS in SAS jargon)
LSMEANS.lme | Calculate population means (LSMEANS in SAS jargon)
milkman | Milk yield data for manually milked cows.
NIRmilk | NIRmilk
orderBy | Ordering (sorting) rows of a data frame
parseGroupFormula | Extract components from a formula with "conditioning bar"
popMeans | Calculate population means (LSMEANS in SAS jargon)
popMeans.default | Calculate population means (LSMEANS in SAS jargon)
popMeans.lme | Calculate population means (LSMEANS in SAS jargon)
recodeVar | Recode values of a vector
renameCol | Rename columns in a matrix or a dataframe.
residuals.lmBy | List of lm objects with a common model
sampleBy | Sampling from a data frame
scaleBy | Groupwise scaling and centering of numeric columns in a dataframe
splitBy | Split a data frame
subSeq | Find sub-sequences of identical elements in a vector.
subsetBy | Finds subsets of a dataframe which is split by variables in a formula.
summary.conMeans | Calculate population means (LSMEANS in SAS jargon)
summary.lmBy | List of lm objects with a common model
summaryBy | Function to calculate groupwise summary statistics
timeSinceEvent | Calculate "time since event" in a vector.
transformBy | Function to make groupwise transformations
which.maxn | Where are the n largest or n smallest elements in a numeric vector ?
which.minn | Where are the n largest or n smallest elements in a numeric vector ?
xyFunBy | A template function for creating groupwise functions