About: The apcluster package implements Frey's and Dueck's Affinity Propagation clustering in R. The package further provides leveraged affinity propagation, exemplar-based agglomerative clustering, and various tools for visual analysis of clustering results.

• changed dependency to suggested package 'kebabs' to version of at least 1.5.4 for improved interoperability
• bug fix in as.dendrogram() method with signature 'AggExResult'
• added discrepancy metric to distance computations and updated src/distanceL.c to new version
• registered C/C++ subroutines
• minor change in the vignette template
• moved NEWS to inst/NEWS
• added inst/COPYRIGHT

About: Very fast implementation of the chi-squared distance between histograms (or vectors with non-negative entries).

Removed bug in symmetric chi-square distance and updated python wrapper to python 2.5 compatiblity.