murdoch.duncan at gmail.com
Thu Jul 5 21:48:14 CEST 2012
On 05/07/2012 3:34 PM, Sarah Goslee wrote:
> Hi Jim,
> You can't specify both number of bins and bin size. You can specify
> breaks: either the number of bins or the location of breakpoints. A
> histogram with 20 bins of 50 observations each must by definition come
> from a uniform distribution.
Only if the bins are equal in size. You could set the bins to
quantiles, for the following ugly plot:
hist(x, breaks=quantile(x, seq(0, 1, by=0.05)))
> What are you trying to accomplish?
> On Thu, Jul 5, 2012 at 3:29 PM, Jim Silverton <jim.silverton at gmail.com> wrote:
> > I have a column of 1000 datapoints from the normal distribution with mean 2
> > and variance 4. How can I get a histogram of these observations with 20
> > bins with each bin having 50 observations?
> > --
> > Thanks,
> > Jim.
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