This is a very basic question, but I would like to undestand hist(). I thought that the hist( , freq=FALSE) should provide the relative frequencies (probabilities), and so they should sum 1, however:
set.seed(2) ah <- hist(rnorm(100), freq=F) sum(ah$intensities) [1] 2
set.seed(2) bh <- hist(rlnorm(100), freq=F) sum(bh$intensities) [1] 0.4999996
I'm getting similar figures with truehist() in MASS. So I suppose I'm misunderstanding hist(). Any help?
Thanks
Juli
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