kerSeg (version 1.1)

gaussiankernel: Compute the Gaussian kernel matrix

Description

This function provides the Gaussian kernel matrix computed with the median heuristic bandwidth.

Usage

gaussiankernel(X)

Value

Returns a numeric matrix, the Gaussian kernel matrix computed with the specified bandwidth.

Arguments

X

The samples in the sequence.

See Also

kerSeg-package,kerseg1,kerseg2

Examples

## Sequence : change in the mean in the middle of the sequence.
d = 50
mu = 2
tau = 50
n = 100
set.seed(1)
y = rbind(matrix(rnorm(d*tau),tau), matrix(rnorm(d*(n-tau),mu/sqrt(d)), n-tau))

K = gaussiankernel(y) # Gaussian kernel matrix