Directional (version 2.2)

MLe of the Wood bimodal distribution on the sphere: MLe of the Wood bimodal distribution on the sphere

Description

It estimates the parameters of the Wood bimodal distribution.

Usage

wood.mle(y)

Arguments

y

A matrix containing two columns. The first one is the latitude and the second is the longitude, both expressed in degrees.

Value

A list including: A list including:

Details

The Wood distribution is fitted to some data and its parameters are estimated. It is a bimodal distribution which contains 5 parameters, just like the Kent distribution.

References

Wood A.T.A. (1982). A bimodal distribution on the sphere. Journal of the Royal Statistical Society, Series C, 31(1): 52-58.

See Also

kent.mle, vmf, rvmf

Examples

x = rvmf(100, rnorm(3), 15)
x = euclid.inv(x)
wood.mle(x)