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rcompanion (version 2.5.2)

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 .

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Version

Install

install.packages('rcompanion')

Monthly Downloads

30,819

Version

2.5.2

License

GPL-3

Maintainer

Salvatore Mangiafico

Last Published

January 11th, 2026

Functions in rcompanion (2.5.2)

Compare fit statistics for glm models

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

cateNelsonFixedY

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

Compact letter display for lists of comparisons

Cohen's g and odds ratio for paired contingency tables

Cate-Nelson models for bivariate data

Compare fit statistics for lm models

Groupwise means and confidence intervals

Groupwise Huber M-estimators and confidence intervals

Cohen's w (omega)

groupwiseGeometric

Groupwise geometric means and confidence intervals

Post-hoc tests for Cochran-Mantel-Haenszel test

Efron's pseudo r-squared

Epsilon-squared

Kendall's W with bootstrapped confidence interval

groupwiseMedian

Groupwise medians and confidence intervals

Freeman's theta

Convert a lower triangle matrix to a full matrix

groupwisePercentile

Groupwise percentiles and confidence intervals

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

Pseudo r-squared measures for various models

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

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

Correlation and measures of association

Cramer's V (phi)

oneSampleDominance

Dominance statistic for one-sample data

ordinalEtaSquared

Eta-squared for ordinal variables

pairwiseDifferences

[Defunct!] Pairwise differences for unreplicated CBD

pairedSampleDominance

Dominance statistic for two-sample paired data

Mangiafico's d, or delta MAD

pairwiseNominalIndependence

Pairwise tests of independence for nominal data

pairwiseNominalMatrix

Pairwise tests of independence for nominal data with matrix output

pairwisePermutationMatrix

Pairwise two-sample independence tests with matrix output

pairwisePermutationSymmetry

Pairwise two-sample symmetry tests

nominalSymmetryTest

Exact and McNemar symmetry tests for paired contingency tables

nagelkerkeHermite

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

pairwiseOrdinalTest

[Defunct!] Pairwise two-sample ordinal regression

pairwisePercentileTest

Pairwise permutation tests for percentiles

multiMangiaficoD

pairwiseMedianMatrix

Pairwise Mood's median tests with matrix output

pairwiseMcnemar

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

pairwiseOrdinalPairedMatrix

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

pairwiseOrdinalPairedTest

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

Test of percentiles by permutation test

pairwiseOrdinalIndependence

Pairwise tests of independence for tables with one ordered nominal variable

pairwiseOrdinalMatrix

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

pairwiseSignMatrix

[Defunct!] Pairwise sign tests with matrix output

pairwiseSignTest

[Defunct!] Pairwise sign tests

pairwiseMedianTest

Pairwise Mood's median tests

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

scheirerRayHare

Scheirer Ray Hare test

pairwiseRobustMatrix

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

pairwiseModelAnova

Compare model objects with F test and likelihood ratio test

pairwiseRobustTest

[Defunct!] Pairwise two-sample robust tests

Vargha and Delaney's A

Tukey's Ladder of Powers

wilcoxonOneSampleR

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

Agresti's Generalized Odds Ratio for Stochastic Dominance

Plot a predicted line from a bivariate model

plotNormalHistogram

Histogram with a normal curve

pairwisePermutationTest

Pairwise two-sample independence tests

pairwisePermutationSymmetryMatrix

Pairwise two-sample symmetry tests with matrix output

Wilcoxon z statistic

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

plotDensityHistogram

Histogram with a density curve

Grissom and Kim's Probability of Superiority (PS)

wilcoxonOneSampleRC

Rank biserial correlation coefficient for one-sample Wilcoxon test

Quantiles and confidence intervals

rcompanion-package

Functions to Support Extension Education Program Evaluation

plotNormalDensity

Density plot with a normal curve

Glass rank biserial correlation coefficient

wilcoxonPairedR

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

wilcoxonPairedRC

Matched-pairs rank biserial correlation coefficient

Hypothetical data for Alexander Anderson

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

Convert PMCMR Objects to a Data Frame

AndersonRainBarrel

Hypothetical data for Alexander Anderson on rain barrel installation

Hypothetical data for responses about adopting lawn care practices

Hypothetical data for ratings of Pooh, Piglet, and Tigger

Hypothetical data for Alexander Anderson with gender bias

AndersonRainGarden

Hypothetical data for Alexander Anderson on rain garden installation

Hypothetical data for Catbus and company

Hypothetical data for monarch butterflies in gardens

Hypothetical data for paired ratings of Pooh Bear

Hypothetical data for Brendon Small and company

Hypothetical data for ratings of instructors in unreplicated CBD

Hypothetical data for proportion of students passing a certification

Data for proportion of good practices followed by plant nuseries

Hypothetical data for students' breakfast habits and travel to school

Hypothetical data for change in religion after a caucusing event

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