Re: [Matplotlib-users] Histogram question

[John H. <jd...@gm...>]

On Sat, Jul 26, 2008 at 3:47 PM, aditya shukla
<adi...@gm...> wrote:
> I am trying to plot a histogram of some values in an array:
> eg:-
> input_hist=[0.5,0.5,0.66,0.83,0.92,0.92,0.93,0.97,0.98,0.98,0.98,0.99]
> after issuing the pylab.hist(input_hist) statement these are the return
> values that i get.
>
> (array([2, 0, 0, 1, 0, 0, 1, 0, 3, 5]), array([ 0.5  ,  0.549,  0.598,
> 0.647,  0.696,  0.745,  0.794,  0.843,
>         0.892,  0.941,  0.99 ]), <a list of 10 Patch objects>)
>
> Can someone please explain these return values , i did not understand them
> through the hist documentation.

The return value is a length three tuple with the following elements
(n, bins, patches)

  *n* - an array of counts in each bin in your histogram

  *bins* - an array edges of the bins that your data is binned into

  *patches* - a list of matplotlib rectangle instances (you can use
these to configure properties like facecolor, linewidth, etc...)

JDH