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 utilities
Miscellaneous datasets

Author: Søren Højsgaard, Ulrich Halekoh

Online documentation

https://hojsgaard.github.io/doBy

Development site

https://github.com/hojsgaard/doBy

CRAN page:

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

Further info at:

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

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Version

Install

install.packages('doBy')

Monthly Downloads

235,394

Version

4.6.25

License

GPL (>= 2)

Issues

Pull Requests

Stars

Forks

Repository

https://github.com/hojsgaard/doBy

Maintainer

Søren Højsgaard

Last Published

January 30th, 2025

Functions in doBy (4.6.25)

Cross-validation for list of glm objects

Yield from Danish agricultural production of grain and root crop.

Growth curves of pigs in a 3x3 factorial experiment

Computing simple descriptive statistics of a numeric vector.

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

Internal functions for the doBy package

bquote_fun_list

Backquote a list of functions

data_personality

Personality traits

Contrasts for lm, glm, lme, and geeglm objects

Mathematics marks for students

Fast summary of microbenchmark object

Convert expression into function object.

Convert right hand sided formula to a list

Fish oil in pig food

Plot the response variable against the predictor variables.

Sampling from a data frame

Milk yield data for manually milked cows.

Scale a dataframe or matrix

Heat development in cement under hardening.

model_stability_glm

Model stability for glm objects

Weight and size of 20 potatoes

Lean meat contents of 344 pig carcasses

Scaling numerical values

Forced expiratory volume in children

Coronary artery disease data

Locate the index of the first/last unique value

Recode values of a vector

Formula operations and coercion.

Auxillary functions for computing lsmeans, contrasts etc

Truncate values in a matrix / vector to zero if they are below a certain threshold.

Function to calculate groupwise summary statistics

interaction-plot

Two-way interaction plot

Function to make groupwise transformations

Prostate Tumor Gene Expression Dataset

Determines if contrasts are estimable.

Linear estimates matrix

data_breastcancer

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

recover_pca_data

Recover data from principal component analysis

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

Plot linear model object

parseGroupFormula

Extract components from a formula with "conditioning bar"

Taylor expansion (one dimension)

Rename columns in a matrix or a dataframe.

Tidy an esticon object

Get formulas from model_stability_glm_class object

generate_data_list

Generate data list

split_byrow_bycol

Split matrix or dataframe into list

Compute linear estimates

Find sub-sequences of identical elements in a vector.

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

Section a function and set default values in function

set_list_set_matrix

Matrix representatation of list of vectors and vice versa

Tidy a linest object

Calculate "time since event" in a vector.

binomial_to_bernoulli_data

Convert binomial data to bernoulli data

Formula based version of lapply and sapply

Split a data frame

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

Ordering (sorting) rows of a data frame

List of lm objects with a common model