| rcompanion-package | Functions to Support Extension Education Program Evaluation |
| accuracy | Minimum maximum accuracy, mean absolute percent error, median absolute error, root mean square error, coefficient of variation, and Efron's pseudo r-squared |
| Anderson | Hypothetical data for Alexander Anderson |
| AndersonBias | Hypothetical data for Alexander Anderson with gender bias |
| AndersonRainBarrel | Hypothetical data for Alexander Anderson on rain barrel installation |
| AndersonRainGarden | Hypothetical data for Alexander Anderson on rain garden installation |
| blom | Normal scores transformation |
| BobBelcher | Hypothetical data for ratings of instructors in unreplicated CBD |
| Breakfast | Hypothetical data for students' breakfast habits and travel to school |
| BrendonSmall | Hypothetical data for Brendon Small and company |
| BullyHill | Hypothetical data for proportion of students passing a certification |
| Catbus | Hypothetical data for Catbus and company |
| cateNelson | Cate-Nelson models for bivariate data |
| cateNelsonFixedY | Cate-Nelson models for bivariate data with a fixed critical Y value |
| cldList | Compact letter display for lists of comparisons |
| cliffDelta | Cliff's delta |
| cohenG | Cohen's g and odds ratio for paired contingency tables |
| cohenH | Cohen's h to compare proportions for 2 x 2 contingency tables |
| cohenW | Cohen's w (omega) |
| compareGLM | Compare fit statistics for glm models |
| compareLM | Compare fit statistics for lm models |
| countRSquare | Count pseudo r-squared for logistic and other binary outcome models |
| cramerV | Cramer's V (phi) |
| cramerVFit | Cramer's V for chi-square goodness-of-fit tests |
| efronRSquared | Efron's pseudo r-squared |
| epsilonSquared | Epsilon-squared |
| freemanTheta | Freeman's theta |
| fullPTable | Convert a lower triangle matrix to a full matrix |
| groupwiseCMH | Post-hoc tests for Cochran-Mantel-Haenszel test |
| groupwiseGeometric | Groupwise geometric means and confidence intervals |
| groupwiseHuber | Groupwise Huber M-estimators and confidence intervals |
| groupwiseMean | Groupwise means and confidence intervals |
| groupwiseMedian | Groupwise medians and confidence intervals |
| groupwisePercentile | Groupwise percentiles and confidence intervals |
| groupwiseSum | Groupwise sums |
| HayleySmith | Hypothetical data for responses about adopting lawn care practices |
| kendallW | Kendall's W with bootstrapped confidence interval |
| mangiaficoD | Mangiafico's d |
| Monarchs | Hypothetical data for monarch butterflies in gardens |
| multiMangiaficoD | Mangiafico's d |
| multiVDA | Pairwise Vargha and Delaney's A and Cliff's delta |
| nagelkerke | Pseudo r-squared measures for various models |
| nagelkerkeHermite | [Defunct!] Pseudo r-squared measures for hermite models |
| nominalSymmetryTest | Exact and McNemar symmetry tests for paired contingency tables |
| Nurseries | Data for proportion of good practices followed by plant nuseries |
| oneSampleDominance | Dominance statistic for one-sample data |
| ordinalEtaSquared | Eta-squared for ordinal variables |
| pairedSampleDominance | Dominance statistic for two-sample paired data |
| pairwiseDifferences | [Defunct!] Pairwise differences for unreplicated CBD |
| pairwiseMcnemar | Pairwise McNemar and related tests for Cochran Q test post-hoc |
| pairwiseMedianMatrix | Pairwise Mood's median tests with matrix output |
| pairwiseMedianTest | Pairwise Mood's median tests |
| pairwiseModelAnova | Compare model objects with F test and likelihood ratio test |
| pairwiseNominalIndependence | Pairwise tests of independence for nominal data |
| pairwiseNominalMatrix | Pairwise tests of independence for nominal data with matrix output |
| pairwiseOrdinalIndependence | Pairwise tests of independence for tables with one ordered nominal variable |
| pairwiseOrdinalMatrix | [Defunct!] Pairwise two-sample ordinal regression with matrix output |
| pairwiseOrdinalPairedMatrix | [Defunct!] Pairwise two-sample ordinal regression for paired data with matrix output |
| pairwiseOrdinalPairedTest | [Defunct!] Pairwise two-sample ordinal regression for paired data |
| pairwiseOrdinalTest | [Defunct!] Pairwise two-sample ordinal regression |
| pairwisePercentileTest | Pairwise permutation tests for percentiles |
| pairwisePermutationMatrix | Pairwise two-sample permutation tests with matrix output |
| pairwisePermutationSymmetry | Pairwise two-sample permutation symmetry tests |
| pairwisePermutationSymmetryMatrix | Pairwise two-sample permutation symmetry tests with matrix output |
| pairwisePermutationTest | Pairwise two-sample permutation tests |
| pairwiseRobustMatrix | [Defunct!] Pairwise two-sample robust tests with matrix output |
| pairwiseRobustTest | [Defunct!] Pairwise two-sample robust tests |
| pairwiseSignMatrix | [Defunct!] Pairwise sign tests with matrix output |
| pairwiseSignTest | [Defunct!] Pairwise sign tests |
| Pennsylvania18 | Votes for the Democratic candidate in Pennsylvania 18 in 2016 and 2018 |
| percentileTest | Test of percentiles by permutation test |
| phi | phi |
| plotDensityHistogram | Histogram with a density curve |
| plotNormalDensity | Density plot with a normal curve |
| plotNormalHistogram | Histogram with a normal curve |
| plotPredy | Plot a predicted line from a bivariate model |
| PMCMRTable | Convert PMCMR Objects to a Data Frame |
| Pooh | Hypothetical data for paired ratings of Pooh Bear |
| PoohPiglet | Hypothetical data for ratings of Pooh, Piglet, and Tigger |
| quantileCI | Quantiles and confidence intervals |
| Religion | Hypothetical data for change in religion after a caucusing event |
| scheirerRayHare | Scheirer Ray Hare test |
| spearmanRho | Spearman's rho, Kendall's tau, Pearson's r |
| transformTukey | Tukey's Ladder of Powers |
| vda | Vargha and Delaney's A |
| wilcoxonOneSampleR | r effect size for Wilcoxon one-sample signed-rank test |
| wilcoxonOneSampleRC | Rank biserial correlation coefficient for one-sample Wilcoxon test |
| wilcoxonOR | Agresti's Generalized Odds Ratio for Stochastic Dominance |
| wilcoxonPairedR | r effect size for Wilcoxon two-sample paired signed-rank test |
| wilcoxonPairedRC | Matched-pairs rank biserial correlation coefficient |
| wilcoxonPS | Grissom and Kim's Probability of Superiority (PS) |
| wilcoxonR | r effect size for Wilcoxon two-sample rank-sum test |
| wilcoxonRG | Glass rank biserial correlation coefficient |
| wilcoxonZ | Wilcoxon z statistic |