public class OneWayAnovaextends ObjectImplements one-way ANOVA (analysis of variance) statistics.
Tests for differences between two or more categories of univariate data (for example, the body mass index of accountants, lawyers, doctors and computer programmers). When two categories are given, this is equivalent to the
commons-math F Distribution implementationto estimate exact p-values.
This implementation is based on a description at http://faculty.vassar.edu/lowry/ch13pt1.html
Abbreviations: bg = between groups, wg = within groups, ss = sum squared deviations