Compute the Number of Classes for a Histogram

Source: R/outlier-hist.R

Compute the Number of Classes for a Histogram

nclass.scottRob(x)

Arguments

x

a data vector.

Value

The suggested number of classes.

References

Scott, D. W. (1979). On optimal and data-based histograms. Biometrika, 66, 605–610. doi: 10.2307/2335182.

Examples

x <- rnorm(1000)
hist(x, breaks = nclass.scott)
hist(x, breaks = nclass.scottRob)


x2 <- c(x, rnorm(50, mean = 50))
hist(x2, breaks = nclass.scott)

hist(x2, breaks = nclass.scott,    xlim = c(-5, 5))

hist(x2, breaks = nclass.scottRob, xlim = c(-5, 5))