How to plot a normalised cumulative histogram

Riti Patel asked: 2022-06-11 cumulative histogram , histogram , AI, Data Science, and Statistics , Statistics and Machine Learnin

Learn how to plot a normalised cumulative histogram in MATLAB! This tutorial provides step-by-step instructions & code examples. Visualize your data distributio

Expert Answer

Kshitij Singh answered . 2025-07-05 21:51:16

If using 2014b or higher you can use the histogram command:

histogram(CharPoly,'Normalization','cdf')

If prior to 2014b use hist and bar:

[f,z]=hist(CharPoly,1000000);
% Make pdf by normalizing counts
% Divide by the total counts and the bin width to make area under curve 1.
fNorm = f/(sum(f)*(z(2)-z(1))); 
% cdf is no cumulative sum
fCDF = cumsum(fNorm);
bar(z,fCDF) % display

This is done .

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