hist.scott(x, prob = T, ...) hist.FD(x, prob = T, ...) nclass.scott(x) nclass.FD(x)
hist
.
nclass.*
functions, the suggested number of classes.
hist.*
function plot a histogram.
nclass.scott
uses Scotts choice for a normal distribution based on
the estimate of the standard error, and
nclass.FD
uses the
Freedman-Diaconis choice based on the inter-quartile range.
Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS. Springer, pages 118-9.