covParametersBounds: Boundaries for covariance parameters
Description
Default boundaries for covariance parameters.
Usage
covParametersBounds(object, X)
Arguments
object
an object specifying the covariance structure.
X
a matrix representing the design of experiments.
Value
a list with items lower, upper containing default boundaries for the covariance parameters.
Details
The default values are chosen as follows :
|
Range parameters (all covariances) |
lower=1e-10, upper=2 times the difference between |
|
|
the max. and min. values of X for each coordinate |