GGally (version 1.3.2)

ggally_nostic_cooksd: ggnostic - Cook's distance

Description

A function to display stats::cooks.distance.

Usage

ggally_nostic_cooksd(data, mapping, ..., linePosition = 4/nrow(data),
  lineColor = brew_colors("grey"), lineType = 2)

Arguments

data, mapping, ..., lineColor, lineType

parameters supplied to ggally_nostic_line

linePosition

4 / n is the general cutoff point for Cook's Distance

Value

ggplot2 plot object

Details

A line is added at 4 / n to display the general cutoff point for Cook's Distance.

Reference: Cook, R. Dennis; Weisberg, Sanford (1982). Residuals and Influence in Regression. New York, NY: Chapman & Hall. ISBN 0-412-24280-X

See Also

stats::cooks.distance

Examples

# NOT RUN {
dt <- broomify(stats::lm(mpg ~ wt + qsec + am, data = mtcars))
ggally_nostic_cooksd(dt, ggplot2::aes(wt, .cooksd))
# }