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Mallikarjuna

How to generate a Bernoulli distributed binary data

Asked by Mallikarjuna
on 1 Jul 2013

Hi, I am trying to generate a Bernoulli distributed binary data. please help.

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2 Answers

Answer by Wayne King
on 1 Jul 2013
Edited by Wayne King
on 1 Jul 2013

Do you have the Statistics Toolbox?

You have to specify the parameter for the distribution, which is the probability of a "success". Here I'll use p = 0.25

     pd = makedist('Binomial','N',1,'p',0.25);
     x = random(pd,100,1);

If you want the simple case where p = 0.5

x = randi([0 1],100,1);

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Mallikarjuna
on 2 Jul 2013

I am getting an error saying, 'makedist function is not supported'! Is there any other way of doing it without using the statistics toolbox?


Answer by Shashank Prasanna
on 2 Jul 2013

You probably have an older version of MATLAB installed.

Try the following instead:

http://www.mathworks.com/help/stats/binornd.html

Check the output of 'ver' command to confirm you have the statistics toolbox.

If not there is always FEX:

http://www.mathworks.com/matlabcentral/fileexchange/7309-randraw

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