Last data update: 2014.03.03

R: Gaussian Kernel Computation (Particularly used in Kernel...
kmatrixGaussR Documentation

Gaussian Kernel Computation (Particularly used in Kernel Local Fisher Discriminant Analysis)

Description

Gaussian kernel computation for klfda, which maps the original data space to non-linear and higher dimensions.

Usage

kmatrixGauss(x, sigma = 1)

Arguments

x

n x d matrix of original samples. n is the number of samples.

sigma

dimensionality of reduced space. (default: 1)

Value

K n x n kernel matrix. n is the number of samples.

Author(s)

Yuan Tang

References

Sugiyama, M (2007). Dimensionality reduction of multimodal labeled data by local Fisher discriminant analysis. Journal of Machine Learning Research, vol.8, 1027–1061.

Sugiyama, M (2006). Local Fisher discriminant analysis for supervised dimensionality reduction. In W. W. Cohen and A. Moore (Eds.), Proceedings of 23rd International Conference on Machine Learning (ICML2006), 905–912.

https://shapeofdata.wordpress.com/2013/07/23/gaussian-kernels/

See Also

See klfda for the computation of kernel local fisher discriminant analysis

Examples

## Not run: 
k <- kmatrixGauss(x = train.data)

## End(Not run)

Results