Residuals' plots for ANOVA models — plotResiduals • planex

This function is only suitable to analyze residuals of ANOVA models. It must not be used to analyze residuals from regression or ANCOVA models.

plotResiduals(model)

Arguments

model: an object of the class lm or aov.

Value

residual plots suitable for residual analysis of data from design experiments.

Examples

library(planex)
library(tidyverse)
data(saquinhos)
saquinhos <- mutate(saquinhos,
  concentracao = as.factor(concentracao)
)
mod <- aov(resistencia ~ concentracao, data = saquinhos)
plotResiduals(mod)
#> Warning: `fortify(<lm>)` was deprecated in ggplot2 4.0.0.
#> ℹ Please use `broom::augment(<lm>)` instead.
#> ℹ The deprecated feature was likely used in the ggplot2 package.
#>   Please report the issue at <https://github.com/tidyverse/ggplot2/issues>.