Get "acopula" Family Object by Name
Get one of our "acopula" family objects (see acopula-families by name.
Named strings for “translation” between different names and forms of Archimedean copulas.
getAcop (family, check = TRUE) getAname(family, objName = FALSE) .ac.shortNames .ac.longNames .ac.objNames .ac.classNames
family |
either a |
check |
logical indicating whether the class of the return value
should be checked to be |
objName |
logical indicating that the name of the R
object should be returned, instead of the family name, e.g.,
|
getAcop() returns an "acopula" family
object, typically one of one of our predefined ones.
.as.longnames etc are named string constants, useful in
programming for all our (five) standard Archimedean families.
Our predefined acopula-families;
the class definition "acopula".
getAcop("Gumbel")
## different ways of getting the same "acopula" family object:
stopifnot(## Joe (three ways):
identical(getAcop("J"), getAcop("Joe")),
identical(getAcop("J"), copJoe),
## Frank (yet another two different ways):
identical(getAcop(frankCopula()), copFrank),
identical(getAcop("frankCopula"), copFrank))
stopifnot(
identical(getAname(claytonCopula()), getAname("C")),
identical(getAname(copClayton), "Clayton"), identical(getAname("J"), "Joe"),
identical(getAname(amhCopula(), TRUE), "copAMH"),
identical(getAname(joeCopula(), TRUE), "copJoe")
)
.ac.shortNames
.ac.longNames
.ac.objNames
.ac.classNamesPlease choose more modern alternatives, such as Google Chrome or Mozilla Firefox.