skewhypCheckPars {SkewHyperbolic} | R Documentation |
Check Parameters of the Skew Hyperbolic Student t-distribution
Description
Given a set of parameters for the skew hyperbolic Student t-distribution, the function checks that the parameters are in the correct range, and that the set has the correct length of 4.
Usage
skewhypCheckPars(param)
Arguments
param |
A numeric vector of proposed parameters for the skew hyperbolic t-distribution. |
Details
The vector param
should be of the form
c(mu,delta,beta,nu)
.
If either delta
or nu
is not greater than zero an error
message is returned.
If the vector param
does not have a length of 4 then an error
message is returned.
Value
A list with components:
case |
Either |
errMessage |
An appropriate error message if an error was found, otherwise an empty string. |
Author(s)
David Scott d.scott@auckland.ac.nz, Fiona Grimson
See Also
Examples
skewhypCheckPars(c(0,1,1,1)) #normal
skewhypCheckPars(c(0,0,1,1)) #error
skewhypCheckPars(c(0,1,1,-1)) #error
skewhypCheckPars(c(0,1,1)) #error
[Package SkewHyperbolic version 0.4-2 Index]