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Finding the Y values corresponding to histogram center

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Dhanuja Elizabeth Thomas
编辑： José-Luis 2016-7-4
Hi, I'm using the function [counts,centers] = hist(xxx,100) for histogram plot. Here centers gives the center value of each bin on X axis but I want its corresponding Y value. How can I find the Y value of each bin center of histogram ?

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回答（2 个）

Walter Roberson
Walter Roberson 2016-7-4
The Y value will be the counts value corresponding to the center you are interested in.
José-Luis
José-Luis 2016-7-4
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Dhanuja Elizabeth Thomas
Dhanuja Elizabeth Thomas 2016-7-4
Sorry, I didn't get how it extracts the Y axis value of each bin center.
José-Luis
José-Luis 2016-7-4
编辑：José-Luis 2016-7-4
What Walter said. The Y value is the number of values or N in histcounts(). I you want the frequency, divide by the total number of values.
You might want to have a look at ksdensity() as well.

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