Google really can be a very useful thing, in case you haven't found that. This is the first hit I got with `agglomerative coefficient':
http://www.unesco.org/webworld/idams/advguide/Chapt7_1_4.htm Andy > From: Weiguang Shi > > I haven't read the book, but could anyone explain more > about this parameter? > > help(agnes) says that ac measures the amount of > clustering structure found. From the definition given > in help(agnes.object), however, it seems that as long > as > the dissimilarity of the merger in the final step of > the > algorithm is large enough, the ac value will be close > to > 1. So what does ac really mean? > > Thank you, > Weiguang > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html