| getCovariate {nlme} | R Documentation |
Extract Covariate from an Object
Description
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)
Arguments
object |
any object with a |
form |
an optional one-sided formula specifying the covariate(s)
to be extracted. Defaults to |
data |
a data frame in which to evaluate the variables defined in
|
Value
will depend on the method function used; see the appropriate documentation.
Author(s)
José Pinheiro and Douglas Bates bates@stat.wisc.edu
References
Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer, esp. p. 100.
See Also
getCovariate.corStruct,
getCovariate.data.frame,
getCovariate.varFunc,
getCovariateFormula
Examples
## see the method function documentation
[Package nlme version 3.1-166 Index]