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bins argument of geom_histogram and stat_bin argument off by 1 #1487

alistaire47 opened this Issue Jan 13, 2016 · 0 comments


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alistaire47 commented Jan 13, 2016

When looking at this SO question, I realized that when I set the bins argument of geom_histogram or stat_bin, the resulting histogram has one more bin than the argument. For example:

ggplot(data = iris, aes(x = Sepal.Length)) + stat_bin(bins = 3)

histogram with four bins

which certainly doesn't seem like what most people would expect. Is this a zero-based index issue?

Apologies if I'm missing something obvious, and thanks for all your work.

@hadley hadley added the bug label Jan 25, 2016

@hadley hadley added this to the v2.1.0 milestone Jan 25, 2016

@hadley hadley closed this in 271a3e2 Jan 25, 2016

@lock lock bot locked as resolved and limited conversation to collaborators Jun 19, 2018

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