residuals.sma: Extract model residuals
Description
Extracts the residuals of a (standardized) major axis fit.
Usage
# S3 method for sma
residuals(object, ...)
Arguments
…
Further arguments ignored.
Value
A vector of residuals.
Details
Residuals are calculated as y-bx-a for each group. These values are useful in assumption checking, especially in constructing residual vs fitted value plots.