%
% Written by:
% -- 
% John L. Weatherwax                2008-02-20
% 
% email: wax@alum.mit.edu
% 
% Please send comments and especially bug reports to the
% above email address.
% 
%-----

clear all; 
close all; 
clc; 

%mu = 1; data = exprnd(mu,1,1000); 
%a=1; b=1; data = gamrnd(a,b,1,1000);
a=1; b=1; data = betarnd(a,b,1,1000); 

[N,h] = hist(data); 
figure; bar(h,N,1,'w'); 
title( 'frequency histogram' );

figure; bar(h,N/sum(N),1,'w'); 
title('relative frequence histogram');

figure; bar(h,N/(h(2)-h(1))/sum(N),1,'w'); 
title('density histogram');