NEWSGROUPS

Dissimilarity dataset.

    D = NEWSGROUPS

This is a small part of the so-called 20Newsgroups data, as considered by  Roweis. A non-metric correlation measure for messages from four classes of  newsgroups, 'comp.*', 'rec.*', 'sci.*' and 'talk.*' are computed on the  occurrence for 100 words across 16242 postings.

Reference(s)

E. Pekalska and R.P.W. Duin, The Dissimilarity Representation for Pattern Recognition, Foundations and Applications, World Scientific, Singapore, 2005.

See also

prtools, datasets, distools, prdisdata,