[Scilab-users] simulated binomial is shifted to the left
Heinz Nabielek
heinznabielek at icloud.com
Sun Sep 24 11:33:24 CEST 2017
Hi Rafael:
Beautiful. Works like a charm. Thank you so very much....
IMHO, the code shows how to Monte-Carlo simulate discrete distributions that you never find described in such a simple way in statistics textbooks.
Heinz
On 24.09.2017, at 10:45, Rafael Guerra wrote:
> Defining an appropriate x-axis support for plot2d and binomial helps:
>
> // START OF CODE
> clf;
> p=[0.1176471 0.2352941 0.0588235 0.3882353 0.2];
> N=100;
> for i=1:5;
> histplot(0:60,grand(1,10000,"bin",N,p(i)),style=i);
> x = linspace(-0.5,N-0.5,N+1);
> plot2d(x,binomial(p(i),N),style=i,rect=[0 0 60 .175]);
> end;
> // END OF CODE
>
> Regards,
> Rafael
>
> From: users [mailto:users-bounces at lists.scilab.org] On Behalf Of Heinz Nabielek
> Sent: Sunday, September 24, 2017 12:52 AM
> To: Users mailing list for Scilab <users at lists.scilab.org>
> Subject: [Scilab-users] simulated binomial is shifted to the left
>
> When I compare Monte-Carlo simulated binomial distributions with the respective analytical binomial distributions, the histplot of the simulated ones is shifted to the left. What am I doing wrong?
> Heinz
>
>
> SciLab code:
> p=[0.1176471 0.2352941 0.0588235 0.3882353 0.2]; N=100;
> for i=1:5;histplot(0:60,grand(1,10000,"bin",N,p(i)),style=i);plot2d(binomial(p(i),N),style=i,rect=[0 0 60 .175]);end;
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