Updated:  Testing for bimodality (created 2005-05-03, updated 2010-07-06).

This is an update and revision of age on my old site that has some broken links: www.childrensmercy.org/stats/weblog2005/Bimodality.asp.

I have talked about this topic before and it is a rather tricky thing. A recent discussion of tests of bimodality on edstat-l, though, yielded a few promising leads relating to the Dip test of

Some links to software to run the Dip test are shown below.

This page was written by Steve Simon while working at Children's Mercy Hospital. Although I do not hold the copyright for this material, I am reproducing it here as a service, as it is no longer available on the Children's Mercy Hospital website. Need more information? I have a page with general help resources. You can also browse for pages similar to this one at Category: Statistical theory.