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')

Version

4.6.24

License

GPL (>= 2)

Issues

Pull Requests

Stars

Forks

Repository

https://github.com/hojsgaard/doBy

Maintainer

Søren Højsgaard

Last Published

October 7th, 2024

Functions in doBy (4.6.24)

Lean meat contents of 344 pig carcasses

Locate the index of the first/last unique value

Prostate Tumor Gene Expression Dataset

Convert expression into function object.

Fast summary of microbenchmark object

Get formulas from model_stability_glm_class object

Mathematics marks for students

data_breastcancer

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

Heat development in cement under hardening.

Coronary artery disease data

Determines if contrasts are estimable.

Computing simple descriptive statistics of a numeric vector.

Contrasts for lm, glm, lme, and geeglm objects

data_personality

Personality traits

Growth curves of pigs in a 3x3 factorial experiment

generate_data_list

Generate data list

interaction-plot

Two-way interaction plot

parseGroupFormula

Extract components from a formula with "conditioning bar"

Finds the basis of the (right) null space.

Formula operations and coercion.

Auxillary functions for computing lsmeans, contrasts etc

Internal functions for the doBy package

Linear estimates matrix

Convert right hand sided formula to a list

Fish oil in pig food

model_stability_glm

Model stability for glm objects

Plot linear model object

set_list_set_matrix

Matrix representatation of list of vectors and vice versa

split_byrow_bycol

Split matrix or dataframe into list

Weight and size of 20 potatoes

Rename columns in a matrix or a dataframe.

Plot the response variable against the predictor variables.

Tidy a linest object

Tidy an esticon object

Forced expiratory volume in children

Find sub-sequences of identical elements in a vector.

Milk yield data for manually milked cows.

Section a function and set default values in function

Scaling numerical values

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

Taylor expansion (one dimension)

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

recover_pca_data

Recover data from principal component analysis

Recode values of a vector

Compute linear estimates

Calculate "time since event" in a vector.

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

bquote_fun_list

Backquote a list of functions

Cross-validation for list of glm objects

binomial_to_bernoulli_data

Convert binomial data to bernoulli data

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

Split a data frame

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

Ordering (sorting) rows of a data frame

Yield from Danish agricultural production of grain and root crop.

Function to calculate groupwise summary statistics

Formula based version of lapply and sapply

List of lm objects with a common model

Scale a dataframe or matrix

Function to make groupwise transformations

Sampling from a data frame