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]