dppPowerExp(...)
tag=value
specifying the
parameters. See Details.lambda
as a positive numericalpha
as a positive numericnu
as a positive numeric
(artificially required to be less than 20 in the code for numerical
stability)d
as a positive integer"detpointprocfamily"
.dppBessel
,
dppCauchy
,
dppGauss
,
dppMatern