eta_squared {rstatix}

Effect Size for ANOVA

Description

Compute eta-squared and partial eta-squared for all terms in an ANOVA model.

Usage

eta_squared(model)

partial_eta_squared(model)

Arguments

model

an object of class aov or anova.

Value

a numeric vector with the effect size statistics

Functions

• eta_squared(): compute eta squared

• partial_eta_squared(): compute partial eta squared.

Examples

# Data preparation
df <- ToothGrowth
df$dose <- as.factor(df$dose)

# Compute ANOVA
res.aov <- aov(len ~ supp*dose, data = df)
summary(res.aov)

# Effect size
eta_squared(res.aov)
partial_eta_squared(res.aov)