Editing Multimodal distribution (section)

===Silverman's test===

Silverman introduced a bootstrap method for the number of modes.<ref name=Silverman1981>{{cite journal | last1 = Silverman | first1 = B. W. | year = 1981 | title = Using kernel density estimates to investigate multimodality | journal = Journal of the Royal Statistical Society, Series B | volume = 43 | issue = 1| pages = 97–99 |jstor=2985156| bibcode = 1981JRSSB..43...97S | doi=10.1111/j.2517-6161.1981.tb01155.x}}</ref> The test uses a fixed bandwidth which reduces the power of the test and its interpretability. Under smoothed densities may have an excessive number of modes whose count during bootstrapping is unstable.