ols_plot_resid_stand {olsrr}

Standardized residual chart

Description

Chart for identifying outliers.

Usage

ols_plot_resid_stand(model, threshold = NULL, print_plot = TRUE)

Arguments

model

An object of class lm.

threshold

Threshold for detecting outliers. Default is 2.

print_plot

logical; if TRUE, prints the plot else returns a plot object.

Details

Standardized residual (internally studentized) is the residual divided by estimated standard deviation.

Value

ols_plot_resid_stand returns a list containing the following components:

outliers

a data.frame with observation number and standardized resiudals that exceed threshold

for classifying an observation as an outlier

threshold

threshold for classifying an observation as an outlier

See Also

ols_plot_resid_stud()

Examples

model <- lm(mpg ~ disp + hp + wt, data = mtcars)
ols_plot_resid_stand(model)
ols_plot_resid_stand(model, threshold = 3)