normality_test_aov: normality_test_aov

In aelab: Data Processing for Aquatic Ecology

normality_test_aov

Description

Test normality of ANOVA model residuals using Shapiro-Wilk on raw, square-root, and log10 transforms (one-way or two-way).

Usage

normality_test_aov(df, variable_name, group_1, group_2 = NULL)

Arguments

df	A data frame.
variable_name	Name of the response variable column (string).
group_1	Name of the first grouping column (string).
group_2	Name of the second grouping column (string), or NULL for a one-way model.

Value

A tibble with Shapiro-Wilk p-values for each transformation.

Examples

df <- data.frame(
  grp = c("A","A","B","B"),
  val = c(1.1, 1.4, 3.2, 3.8)
)
normality_test_aov(df, "val", "grp")

aelab documentation built on Feb. 23, 2026, 5:07 p.m.