supportsArg | R Documentation |
Tests if the given function supports the given argument. Commonly used in fields code for determining if a covariance function supports precomputation of the distance matrix and evaluation of the covariance matrix over only the upper triangle.
supportsArg(fun=stationary.cov, arg)
fun |
The function tested for support for whether it supports the argument
|
arg |
The argument to check if |
Currently only stationary.cov
and Exp.cov
support
evaluation of the covariance matrix over the upper triangle
(and diagonal) only via the onlyUpper argument and distance
matrix precomputation via the distMat argument.
A logical indicating whether the given function supports use of the given argument
John Paige
stationary.cov
, Exp.cov
These covariance functions have the onlyUpper
option allowing
the user to evaluate the covariance matrix over the upper triangle and
diagonal only and to pass a precomputed distance matrix
################
#Test covariance function to see if it supports evaluation of
#covariance matrix over upper triangle only
################
supportsArg(Rad.cov, "distMat")
supportsArg(Rad.cov, "onlyUpper")
supportsArg(stationary.cov, "distMat")
supportsArg(stationary.cov, "onlyUpper")
supportsArg(Exp.cov, "distMat")
supportsArg(Exp.cov, "onlyUpper")
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