Re: Help with Manipulate

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• Subject: [mg131860] Re: Help with Manipulate
• From: Sergio Miguel Terrazas Porras <sterraza at uacj.mx>
• Date: Sat, 19 Oct 2013 04:10:56 -0400 (EDT)
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```It is the last semicolon, which supresses output.

But it has some other problems.

Saludos, Sergio Terrazas

________________________________________
Desde: Eduardo M. A. M. Mendes [emammendes at gmail.com]
Enviado el: viernes, 18 de octubre de 2013 02:44 a.m.
Hasta: mathgroup at smc.vnet.net
Asunto: Help with Manipulate

Hello

Although I have been using Mathematica for a while I still consider myself a rookie.   Could someone explain what I am doing wrong with the following code, please?

Manipulate[
sum=RandomVariate[FRatioDistribution[2,2 \[CurlyPhi]],np];
Do[sum=sum+RandomVariate[FRatioDistribution[2,2 =
\[CurlyPhi]],np],{i,2,nr}];
Histogram[sum,{Min[sum],Max[sum],1},"PDF",AspectRatio->1/3,PlotRange-> {{Min[sum],Max[sum]},All},ImageSize->Large],
{{\[CurlyPhi],5,"parameter"},1,1000, Appearance->"Labeled"},
{{np,1000,"number of data points"},1,1000000, Appearance->"Labeled"},{{nr,20,"number of replications"},5,10000, Appearance->"Labeled"}];

Nothing shows up.

Is there a faster way to implement the summation?

Many many thanks

Ed

```

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