Exploratory Data Analysis, Group Comparison Tools, and Other Procedures
Mann-Whitney U Test (Wilcoxon Rank-Sum, Manual Implementation)
Nemenyi Test for Multiple Comparisons (Non-Parametric)
Generic plot for multiple-comparison tests (with multcompView letters)
Post Hoc Planner for FWER and Test Recommendation v1.6
Scheffe Test for Multiple Comparisons v2.0
Sidak Test for Multiple Comparisons v2.0
Student-Newman-Keuls (SNK) Test for Multiple Comparisons v2.0
Summary Method for Objects of Class 'comparacion'
Summary Method for Homoscedasticity Test Results (extended) v2.0
Tamhane's T2 Post Hoc Test
Dunnett's T3 Post Hoc Test
Tukey HSD Test for Multiple Comparisons v2.0
Analitica: Tools for Exploratory Data Analysis and Group Comparisons
Bar Plot with Error Bars (Standard Deviation or Standard Error)
Bartlett's Test for Homogeneity of Variances (Manual Implementation)
Brunner-Munzel Test (Permutation Version) for Two Independent Groups
Brunner-Munzel Test for Two Independent Samples
Bonferroni-Corrected Mann-Whitney Tests (Non-Parametric)
Bonferroni-Corrected Pairwise t-Tests v2.0
Brown-Forsythe Test for Homogeneity of Variances (Manual Implementatio...
Conover-Iman Test for Multiple Comparisons (Non-Parametric)
Descriptive Analysis With Optional Grouping
Dwass-Steel-Critchlow-Fligner (DSCF) Test (Non-Parametric)
Duncan Multiple Range Test (DMRT) v2.0
Dunn's Test for Multiple Comparisons (Non-Parametric)
Fligner-Killeen Test for Homogeneity of Variances (Manual Implementati...
Gabriel’s Post Hoc Test for Multiple Comparisons v 2.0
Games-Howell Post Hoc Test
Outlier Detection Using Grubbs' Test (Iterative)
Holm-Adjusted Pairwise Comparisons v2.0
Jarque-Bera Test with Glinskiy Corrections
Jonckheere-Terpstra Test for Ordered Alternatives (with Tie Correction...
Levene's Test for Homogeneity of Variances (Manual Implementation) v2....
Least Significant Difference (LSD) Test v2.0
Mauchly's Test for Sphericity (1 factor) v1.0
Provides a comprehensive set of tools for descriptive statistics, graphical data exploration, outlier detection, homoscedasticity testing, and multiple comparison procedures. Includes manual implementations of Levene's test, Bartlett's test, and the Fligner-Killeen test, as well as post hoc comparison methods such as Tukey, Scheffé, Games-Howell, Brunner-Munzel, and others. This version introduces two new procedures: the Jonckheere-Terpstra trend test and the Jarque-Bera test with Glinskiy's (2024) correction. Designed for use in teaching, applied statistical analysis, and reproducible research. Additionally you can find a post hoc Test Planner, which helps you to make a decision on which procedure is most suitable.