residuals is a generic function which extracts model residuals
from objects returned by modeling functions.
The abbreviated form
resid is an alias for
It is intended to encourage users to access object components through
an accessor function rather than by directly referencing an object
All object classes which are returned by model fitting functions
should provide a
residuals method. (Note that the method is
for residuals and not resid.)
an object for which the extraction of model residuals is meaningful.
Residuals extracted from the object
Chambers, J. M. and Hastie, T. J. (1992) Statistical Models in S. Wadsworth & Brooks/Cole.