[R] sum(hist$density) == 2 ?!

[Sam Steingold]

> x <- rnorm(1000)
> h <- hist(x,plot=FALSE)
> sum(h$density)
[1] 2 ----------------------------- shouldn't it be 1?!

> h <- hist(x,plot=FALSE, breaks=(-4:4))
> sum(h$density)
[1] 1  ----------------------------- now it's 1. why?!



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Sam Steingold (http://sds.podval.org/) on Ubuntu 11.10 (oneiric) X 11.0.11004000
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