recommend
http://www.fmrib.ox.ac.uk/analysis/techrep/tr00mj2/tr00mj2/node24.html
Return
a set of break points based on some theory
Parameters
observations
observations for a histogram
http://www.fmrib.ox.ac.uk/analysis/techrep/tr00mj2/tr00mj2/node24.html
Return
the set of break points
Parameters
statistic
the statistics associated with the data are used to form the breakpoints