Compute the Number of Classes for a Histogram
Compute the Number of Classes for a Histogram
nclass.scottRob(x)
x |
a data vector. |
The suggested number of classes.
Scott, D. W. (1979). On optimal and data-based histograms. Biometrika, 66, 605–610. doi: 10.2307/2335182.
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))
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