Description Usage Arguments Value Author(s) References See Also Examples
Compute a kernel matrix from a data set.
1 | computeKernel(data, type=c("gaussian", "pgaussian"))
|
data |
n x d matrix of d-dimensional row-elements. |
type |
if "pgaussian", use the p-gaussian kernel function (see Francois et al. 2005). If "gaussian", use the classic gaussian kernel, ie p-gaussian function with p=2 and sigma set to the maximal pairwise distance between elements of the data set. |
n x n kernel matrix.
Pierrick Bruneau
Andrew Y. Ng, Michael I. Jordan, Yair Weiss
On Spectral Clustering: Analysis and an Algorithm
Neural Information Processing Symposium 2001
http://www.nips.cc/NIPS2001/papers/psgz/AA35.ps.gz
Francois, D., Wertz, V. and Verleysen, M.
About the locality of kernels in high-dimensional spaces
International Symposium on Applied Stochastic Models and Data Analysis 2005, pp 238-245.
computeProjectionFromKernel
1 2 3 |
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