Package src :: Package stats306b :: Package lecture4 :: Module kpca

Module kpca

Functions

kpca(x, ncomp=4, sigma=1)
Perform a kernel PCA analysis of a set of points in the plane using a Gaussian kernel with a given sigma.

source code

Function Details

Perform a kernel PCA analysis of a set of points in the plane using a Gaussian kernel with a given sigma.

Return the first four principal eigenfunctions and the principal components (the eigenfunctions evaluated at the x's).