levenetest: Levene Test for Homogeneity of Variances

In groupcompare: Comparing Two Groups Using Various Descriptive Statistics

Levene Test for Homogeneity of Variances

Description

This function performs the Levene test to check the homogeneity of variances across groups.

Usage

levene.test(ds)

Arguments

ds	A data frame with two columns: the first column contains numeric values, and the second column contains group labels.

Details

The function calculates the absolute deviations from the group means, performs an ANOVA on these deviations, and returns the p-value of the Levene test.

Value

A single numeric value named Levene.p, representing the p-value of the Levene test.

Author(s)

Zeynel Cebeci, A. Firat Ozdemir, Engin Yildiztepe

Examples

df <- data.frame(values = c(1.1, 2.3, 2.5, 3.7, 1.2, 2.1, 3.4, 3.9),
  groups = c("A", "A", "B", "B", "A", "A", "B", "B"))
levene.test(df)

groupcompare documentation built on June 26, 2025, 1:08 a.m.