"GiampS" == Giampiero Salvi <giampi at speech.kth.se>
on Sat, 7 Feb 2004 23:40:36 +0100 (CET) writes:
GiampS> Hi all, I'm doing a study on predicting the "true"
GiampS> number of clusters in a hierarchical clustering
GiampS> scheme. My main reference is at the moment
GiampS> Milligan GW and Cooper MC (1985) "An examination of
GiampS> procedures for determining the number of clusters in
GiampS> a data set" Psychometrika vol 50 no 2 pp 159-179
GiampS> and all the references included in that paper.
GiampS> I'm planning to perform a similar comparison on a
GiampS> number of indexes, but on a much larger data set (in
GiampS> the order of 3000 points), and with a much higher
GiampS> "true" number of clusters (in the order of some
GiampS> hundreds), to see if the properties of the indexes
GiampS> scale accordingly.
GiampS> I was wondering if the set of indexes described in
GiampS> the reference are still "state of the art" (most of
GiampS> them were introduced in the '60s and '70s), or if
GiampS> there are new indexes and methods I could include in
GiampS> my study. I would really appreciate if you could
GiampS> point me to some newer references addressing this problem.