.\" -*- nroff -*- generated from .Rd format
.BG
.FN getCovariate
.TL
Extract Covariate from an Object
.DN
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'.
.CS
getCovariate(object, form, data)
.RA
.AG object
any object with a `covariate' component
.OA
.AG form
an optional one-sided formula specifying the covariate(s)
to be extracted. Defaults to `formula(object)'.
.AG data
a data frame in which to evaluate the variables defined in
`form'. 
.RT
will depend on the method function used; see the appropriate documentation.

.SA
`getCovariate.corStruct',
`getCovariate.data.frame',
`getCovariate.varFunc',
`getCovariateFormula'
.EX
## see the method function documentation
.KW models
.WR
