Produce a half normal plot for a fitted lm or glm
object. This function should work for any class that implements
residuals.
Usage
halfnorm(fit)
Arguments
fit
A lm or glm object.
Value
No values are returned.
Details
The absolute value of the residuals are plotted against the positive
quantiles of the normal distribution. The largest 5 percent of the
empirical quantiles are labelled to help identify potential outliers.