How to Do ANOVA in R I Step-by-Step Guide
Have you ever wondered how to compare the means of more than two groups in a statistical analysis? If you have, you might have heard of ANOVA in R or analysis of variance. ANOVA is a powerful and widely used technique that allows you to test the hypothesis that the means of several populations are equal. But how do you perform ANOVA in R, the popular data-analysis programming language? And what are the steps and assumptions involved in this method? Using a comprehensive step-by-step guide, this article will show you how to do ANOVA in R. Table of Contents Key points ANOVA is used to compare the means of an outcome variable across different levels of one or more factors, such as one-way ANOVA and two-way ANOVA. ANOVA can be performed in R using the aov function, ANOVA can be used to test hypotheses, which involve formulating the null and alternative hypotheses, performing the F-test, and deciding based on the p-value and the significance level. ANOVA can also be used to analyze the results…