This function is generic; method functions can be written to handle
specific classes of objects. Classes which already have methods for
this function include corStruct, corSpatial,
data.frame, and varFunc.
Usage
getCovariate(object, form, data)
Value
will depend on the method function used; see the appropriate documentation.
Arguments
object
any object with a covariate component
form
an optional one-sided formula specifying the covariate(s)
to be extracted. Defaults to formula(object).
data
a data frame in which to evaluate the variables defined in
form.