Learn R Programming

rcompanion (version 2.5.4)

Functions to Support Extension Education Program Evaluation

Description

Functions and datasets to support Summary and Analysis of Extension Program Evaluation in R, and An R Companion for the Handbook of Biological Statistics. Vignettes are available at .

Copy Link

Version

Install

install.packages('rcompanion')

Monthly Downloads

10,249

Version

2.5.4

License

GPL-3

Maintainer

Salvatore Mangiafico

Last Published

August 20th, 2026

Functions in rcompanion (2.5.4)

Count pseudo r-squared for logistic and other binary outcome models

Compact letter display for lists of comparisons

cateNelsonFixedY

Cate-Nelson models for bivariate data with a fixed critical Y value

Compare fit statistics for glm models

Compare fit statistics for lm models

Cohen's g and odds ratio for paired contingency tables

Cohen's h to compare proportions for 2 x 2 contingency tables

Correlation and measures of association

Cohen's w (omega)

Cramer's V for chi-square goodness-of-fit tests

Epsilon-squared

Groupwise Huber M-estimators and confidence intervals

groupwiseGeometric

Groupwise geometric means and confidence intervals

Cramer's V (phi)

Post-hoc tests for Cochran-Mantel-Haenszel test

Freeman's theta

Convert a lower triangle matrix to a full matrix

groupwiseFiveNumber

Groupwise quantiles

Efron's pseudo r-squared

nagelkerkeHermite

[Defunct!] Pseudo r-squared measures for hermite models

Groupwise means and confidence intervals

groupwisePercentile

Groupwise percentiles and confidence intervals

groupwiseMedian

Groupwise medians and confidence intervals

Pseudo r-squared measures for various models

Mangiafico's d, or delta MAD

Kendall's W with bootstrapped confidence interval

Pairwise Vargha and Delaney's A and Cliff's delta

multiMangiaficoD

pairedSampleDominance

Dominance statistic for two-sample paired data

pairwiseMcnemar

Pairwise McNemar and related tests for Cochran Q test post-hoc

nominalSymmetryTest

Exact and McNemar symmetry tests for paired contingency tables

ordinalEtaSquared

Eta-squared for ordinal variables

pairwiseModelAnova

Compare model objects with F test and likelihood ratio test

pairwiseNominalIndependence

Pairwise tests of independence for nominal data

pairwiseMedianMatrix

Pairwise Mood's median tests with matrix output

pairwiseMedianTest

Pairwise Mood's median tests

oneSampleDominance

Dominance statistic for one-sample data

pairwiseDifferences

[Defunct!] Pairwise differences for unreplicated CBD

pairwiseOrdinalPairedMatrix

[Defunct!] Pairwise two-sample ordinal regression for paired data with matrix output

pairwiseOrdinalTest

[Defunct!] Pairwise two-sample ordinal regression

pairwiseOrdinalPairedTest

[Defunct!] Pairwise two-sample ordinal regression for paired data

pairwiseOrdinalIndependence

Pairwise tests of independence for tables with one ordered nominal variable

pairwiseNominalMatrix

Pairwise tests of independence for nominal data with matrix output

pairwisePermutationMatrix

Pairwise two-sample independence tests with matrix output

pairwiseOrdinalMatrix

[Defunct!] Pairwise two-sample ordinal regression with matrix output

pairwisePercentileTest

Pairwise permutation tests for percentiles

pairwisePermutationSymmetryMatrix

Pairwise two-sample symmetry tests with matrix output

pairwisePermutationSymmetry

Pairwise two-sample symmetry tests

pairwiseRobustTest

[Defunct!] Pairwise two-sample robust tests

pairwiseSignMatrix

[Defunct!] Pairwise sign tests with matrix output

plotDensityHistogram

Histogram with a density curve

pairwiseSignTest

[Defunct!] Pairwise sign tests

pairwisePermutationTest

Pairwise two-sample independence tests

Test of percentiles by permutation test

plotNormalDensity

Density plot with a normal curve

pairwiseRobustMatrix

[Defunct!] Pairwise two-sample robust tests with matrix output

plotNormalHistogram

Histogram with a normal curve

Quantiles and confidence intervals

Agresti's Generalized Odds Ratio for Stochastic Dominance

Plot a predicted line from a bivariate model

rcompanion-package

Functions to Support Extension Education Program Evaluation

wilcoxonOneSampleRC

Rank biserial correlation coefficient for one-sample Wilcoxon test

Spearman's rho, Kendall's tau, Pearson's r

wilcoxonOneSampleR

r effect size for Wilcoxon one-sample signed-rank test

Tukey's Ladder of Powers

scheirerRayHare

Scheirer Ray Hare test

Vargha and Delaney's A

wilcoxonPairedR

r effect size for Wilcoxon two-sample paired signed-rank test

Grissom and Kim's Probability of Superiority (PS)

wilcoxonPairedRC

Matched-pairs rank biserial correlation coefficient

Glass rank biserial correlation coefficient

r effect size for Wilcoxon two-sample rank-sum test

Wilcoxon z statistic

Hypothetical data for Brendon Small and company

Convert PMCMR Objects to a Data Frame

Minimum maximum accuracy, mean absolute percent error, median absolute error, root mean square error, coefficient of variation, and Efron's pseudo r-squared

Normal scores transformation

Cate-Nelson models for bivariate data

Votes for the Democratic candidate in Pennsylvania 18 in 2016 and 2018

Hypothetical data for proportion of students passing a certification

AndersonRainBarrel

Hypothetical data for Alexander Anderson on rain barrel installation

Hypothetical data for responses about adopting lawn care practices

AndersonRainGarden

Hypothetical data for Alexander Anderson on rain garden installation

Hypothetical data for paired ratings of Pooh Bear

Data for proportion of good practices followed by plant nuseries

Hypothetical data for students' breakfast habits and travel to school

Hypothetical data for Alexander Anderson

Hypothetical data for Catbus and company

Hypothetical data for ratings of instructors in unreplicated CBD

Hypothetical data for Alexander Anderson with gender bias

Hypothetical data for change in religion after a caucusing event

Hypothetical data for ratings of Pooh, Piglet, and Tigger

Hypothetical data for monarch butterflies in gardens