kent.logcon: Logarithm of the Kent distribution normalizing constant
In Directional: A Collection of Functions for Directional Data Analysis
Logarithm of the Kent distribution normalizing constant 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, \kappa.
b
The ovalness parameter, \beta.
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
fb.saddle, kent.mle
Examples
kent.logcon(10, 2)
fb.saddle( c(0, 10, 0), c(0, -2, 2) )
Directional documentation built on Oct. 12, 2023, 1:07 a.m.
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| Logarithm of the Kent distribution normalizing constant | 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
fb.saddle, kent.mle
Examples
kent.logcon(10, 2)
fb.saddle( c(0, 10, 0), c(0, -2, 2) )
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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