I am looking at histogram breaks, and notice something odd:
> foo <- hist(runif(10000),breaks=20)
> length(foo$breaks)
[1] 21
This makes sense to me.

> foo <- hist(runif(10000),breaks=200)
> length(foo$breaks)
[1] 201
This also makes sense.

BUT
> foo <- hist(runif(10000),breaks=250)
> length(foo$breaks)
[1] 201
> foo <- hist(runif(100000),breaks=250)
> length(foo$breaks)
[1] 201

Why only 201 breaks? Where did the other 50 go?

-- 
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Here miracles become marvels, and
marvels recurring wonders.
-- William Beebe

Dr. Glenn Lawyer
+352 661 967 244
Instituttgruppe for psykiatri
Seksjon Vinderen
PB 85 Vinderen
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http://folk.uio.no/davidgl

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