MATLAB Answers


Data Distribution

Asked by developer on 29 Sep 2011

Hello, I have some data and i want to see it in plot that how it is distributed all over, like getting some plot , but the plot command donot give me smooth curve or response i want to see it in curve.Or u can say like gaussian distribution of my historgram like this one

Thanks in advance


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2 Answers

Answer by Walter Roberson
on 29 Sep 2011

Perhaps you want to use hist() to draw a histogram of the data?

  1 Comment

but i want to see the curve plotting on to that histogram

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Answer by Wayne King
on 29 Sep 2011

Then perhaps, you would like to try histfit() with some specified distribution.


or use ksdensity()

x = [randn(30,1); 5+randn(30,1)];
[f,xi] = ksdensity(x); 

The Wavelet Toolbox also has 1-D density estimation capability.


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