If present in the calling sequence used to produce object, the
data frame used to fit the model is obtained.
Usage
## S3 method for class 'gls':
getData(object)
Arguments
object
an object inheriting from class gls, representing
a generalized least squares fitted linear model.
Value
if a data argument is present in the calling sequence that
produced object, the corresponding data frame (with
na.action and subset applied to it, if also present in
the call that produced object) is returned;
else, NULL is returned.