Logarithm of the Kent distribution normalizing constant {Directional} | R Documentation |
Logarithm of the Kent distribution normalizing constant
Description
Logarithm of the Kent distribution normalizing constant.
Usage
kent.logcon(k, b, j = 100)
Arguments
k |
The conencration parameter, |
b |
The ovalness parameter, |
j |
The number of the terms in the sum to use. By default this is 100. |
Details
It calculates logarithm of the normalising constant of the Kent distribution.
Value
The value of the logarithm of the normalising constant of the Kent distribution.
Author(s)
Michail Tsagris.
R implementation and documentation: Michail Tsagris mtsagris@uoc.gr and Giorgos Athineou <gioathineou@gmail.com>.
References
Kent John (1982). The Fisher-Bingham distribution on the sphere. Journal of the Royal Statistical Society, Series B, 44(1): 71–80.
See Also
Examples
kent.logcon(10, 2)
fb.saddle( c(0, 10, 0), c(0, -2, 2) )
[Package Directional version 6.7 Index]