# Groupwise Statistics, LSmeans, Linear Contrasts, Utilities

## Documentation for package ‘doBy’ version 4.5-15

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

beets | Yield and sugar percentage in sugar beets from a split plot experiment.
breastcancer | Gene expression signatures for p53 mutation status in 250 breast cancer samples
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
crimeRate | crimeRate
descStat | Computing simple descriptive statistics of a numeric vector.
dietox | Growth curves of pigs in a 3x3 factorial experiment
doBy | Various utilitie. Functions for creating groupwise calculations etc.; calculation of least-squares means; miscellaneous utilities
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
haldCement | Heat development in cement under hardening.
is_estimable | Determines if contrasts are estimable.
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.default | Compute linear estimates
linest.geeglm | Compute linear estimates
linest.glm | Compute linear estimates
linest.lm | Compute linear estimates
linest.lmerMod | Compute linear estimates
linest.merMod | Compute linear estimates
lmBy | List of lm objects with a common model
LSmeans | Compute linear estimates, including LS-means (aka population means or marginal means)
LSmeans.default | Compute linear estimates, including LS-means (aka population means or marginal means)
LSmeans.lmerMod | Compute linear estimates, including LS-means (aka population means or marginal means)
milkman | Milk yield data for manually milked cows.
NIRmilk | NIRmilk
null_basis | Finds the basis of the (right) null space.
orderBy | Ordering (sorting) rows of a data frame
parseGroupFormula | Extract components from a formula with "conditioning bar"
popMeans | Compute linear estimates, including LS-means (aka population means or marginal means)
popMeans.default | Compute linear estimates, including LS-means (aka population means or marginal means)
popMeans.lmerMod | Compute linear estimates, including LS-means (aka population means or marginal means)
potatoes | Weight and size of 20 potatoes
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.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