doBy package - RDocumentation

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doBy

Groupwise Statistics, LSmeans, Linear Contrasts, Utilities

Facilities for working with grouped data: 'do' something to data stratified 'by' some variables.
LSmeans (least-squares means), general linear contrasts.
Miscellaneous other utilities

Author: Søren Højsgaard, Ulrich Halekoh

CRAN page:

https://cran.r-project.org/web/packages/doBy/index.html

Further info at:

http://people.math.aau.dk/~sorenh/software/doBy/

https://github.com/hojsgaard/doBy

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Version

Install

install.packages('doBy')

Monthly Downloads

360,908

Version

4.6.20

License

GPL (>= 2)

Maintainer

Søren Højsgaard

Last Published

November 1st, 2023

Functions in doBy (4.6.20)

Gene expression signatures for p53 mutation status in 250 breast cancer samples

Sampling from a data frame

Scale a dataframe or matrix

Yield from Danish agricultural production of grain and root crop.

Split a data frame

Formula based version of lapply and sapply

Lean meat contents of 344 pig carcasses

Mathematics marks for students

Computing simple descriptive statistics of a numeric vector.

List of lm objects with a common model

Internal functions for the doBy package

Convert right hand sided formula to a list

Character vector to matrix

Linear estimates matrix

Contrasts for lm, glm, lme, and geeglm objects

Recode values of a vector

Compute linear estimates

Growth curves of pigs in a 3x3 factorial experiment

data-personality

Personality traits

Diet of Atlantic cod in the Gulf of St. Lawrence (Canada)

recover_pca_data

Recover data from principal component analysis

Fish oil in pig food

Rename columns in a matrix or a dataframe.

Convert expression into function object.

Locate the index of the first/last unique value

Formula operations and coercion.

parseGroupFormula

Extract components from a formula with "conditioning bar"

Weight and size of 20 potatoes

Determines if contrasts are estimable.

Auxillary functions for computing lsmeans, contrasts etc

Tidy an esticon object

Tidy a linest object

Scaling numerical values

Forced expiratory volume in children

Compute LS-means (aka population means or marginal means)

Finds the basis of the (right) null space.

Matrix operations based on matching dimensions

Finds subsets of a dataframe which is split by variables in a formula.

Find sub-sequences of identical elements in a vector.

Function to calculate groupwise summary statistics

Function to make groupwise transformations

Taylor expansion (one dimension)

Section a function and set default values in function

Prostate Tumor Gene Expression Dataset

split_byrow_bycol

Split matrix or dataframe into list

Coronary artery disease data

Heat development in cement under hardening.

interaction-plot

Two-way interaction plot

Fast summary of microbenchmark object

Milk yield data for manually milked cows.

Calculate "time since event" in a vector.

Where are the n largest or n smallest elements in a numeric vector ?

bquote_fun_list

Backquote a list of functions

Ordering (sorting) rows of a data frame