Category: R

How to perform the Kruskal-Wallis test in R?

How to perform the Kruskal-Wallis test in R, when there are more than two groups, the Kruskal-Wallis test by rank is a non-parametric alternative to the one-way ANOVA test. It extends the two-samples Wilcoxon...

How to Add p-values onto ggplot

Using the R function stat_pvalue_manual() from the ggpubr R package, this article shows how to add p-values to ggplots. The method coord_flip() [in the ggplot2 package] can be used to make horizontal charts. The...

How to perform the MANOVA test in R?

How to perform the MANOVA test in R?. when there are several response variables, a multivariate analysis of variance can be used to examine them all at once (MANOVA). This article explains how to...

Two-Way ANOVA Example in R-Quick Guide

Two-Way ANOVA Example in R, the two-way ANOVA test is used to compare the effects of two grouping variables (A and B) on a response variable at the same time. Factors are another name...

One way ANOVA Example in R-Quick Guide

One way ANOVA Example in R, the one-way analysis of variance (ANOVA), also known as one-factor ANOVA, is an extension of the independent two-sample t-test for comparing means when more than two groups are...

How to create a beautiful Venn diagram in R?

How to create a beautiful Venn diagram in R?., Venn diagrams are diagrams that are used to visually describe sets, relationships between sets, and operations are done on them. The Venn diagram, invented by...

How to perform a one-sample t-test in R?

How to perform a one-sample t-test in R?. one-sample The t-test compares one sample’s mean to a known standard (or theoretical/hypothetical) mean. One-sample t-tests can only be used when the data is normally distributed....

Unequal Variance t-test in R:- Welch’s t-Test

Unequal Variance t-test in R, When the variances of two independent groups are not considered to be equal, Welch’s t-test is used to compare their means. We can use the t.test() function in R...

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