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

194,697

Version

4.6.22

License

GPL (>= 2)

Maintainer

Søren Højsgaard

Last Published

June 21st, 2024

Functions in doBy (4.6.22)

Scale a dataframe or matrix

Ordering (sorting) rows of a data frame

Growth curves of pigs in a 3x3 factorial experiment

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

Sampling from a data frame

Function to calculate groupwise summary statistics

Internal functions for the doBy package

Convert expression into function object.

Lean meat contents of 344 pig carcasses

Character vector to matrix

Get formulas from model_stability_glm_class object

bquote_fun_list

Backquote a list of functions

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

Heat development in cement under hardening.

Coronary artery disease data

Mathematics marks for students

Fish oil in pig food

Convert right hand sided formula to a list

Function to make groupwise transformations

interaction-plot

Two-way interaction plot

Determines if contrasts are estimable.

Contrasts for lm, glm, lme, and geeglm objects

Yield from Danish agricultural production of grain and root crop.

Cross-validation for list of glm objects

Prostate Tumor Gene Expression Dataset

Scaling numerical values

Calculate "time since event" in a vector.

Section a function and set default values in function

Formula operations and coercion.

data_breastcancer

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

data_personality

Personality traits

Compute linear estimates

Computing simple descriptive statistics of a numeric vector.

Forced expiratory volume in children

Milk yield data for manually milked cows.

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

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

model_stability_glm

Model stability for glm objects

Locate the index of the first/last unique value

recover_pca_data

Recover data from principal component analysis

Auxillary functions for computing lsmeans, contrasts etc

Matrix operations based on matching dimensions

Fast summary of microbenchmark object

generate_data_list

Generate data list

Rename columns in a matrix or a dataframe.

parseGroupFormula

Extract components from a formula with "conditioning bar"

Linear estimates matrix

set_list_set_matrix

Matrix representatation of list of vectors and vice versa

Plot linear model object

Finds the basis of the (right) null space.

Find sub-sequences of identical elements in a vector.

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

Taylor expansion (one dimension)

Weight and size of 20 potatoes

split_byrow_bycol

Split matrix or dataframe into list

Recode values of a vector

Tidy an esticon object

Tidy a linest object

binomial_to_bernoulli_data

Convert binomial data to bernoulli data

Formula based version of lapply and sapply

Split a data frame

List of lm objects with a common model