Re: GammaDistribution versus PoissonDistribution
- To: mathgroup at smc.vnet.net
- Subject: [mg79096] Re: GammaDistribution versus PoissonDistribution
- From: Bill Rowe <readnewsciv at sbcglobal.net>
- Date: Wed, 18 Jul 2007 03:02:03 -0400 (EDT)
On 7/17/07 at 3:23 AM, peter_van_summeren at yahoo.co.uk (P_ter) wrote:
>I did this and what I am interested in is, that not always the
>graphics is visible in my version 6.0: Manipulate[ Show[{
>ListPlot[Table[{i,PDF[PoissonDistribution[m],i]},{i,0,30}]],
>Plot[PDF[GammaDistribution[a,b],x],{x,0,30}]
>},
>PlotRange->{-.1,0.2},
>{{m,1,"m"},1,20},{{a,1,"a"},0,30},{{b,1,"b"},0.1,2}]
>I hope I typed it all correctly.
It looks like you are missing the closing ] after your PlotRange specificat=
ion
>Any suggestions?
Yes, Try PlotRange->All in the Plot command and list it first, i.e.,
Manipulate[
Show[Plot[PDF[GammaDistribution[a, b], x], {x, 0, 30},
PlotRange -> All],
ListPlot[Table[{i, PDF[PoissonDistribution[m], i]}, {i, 0,
30}]]], {{m, 1, "m"}, 1, 20}, {{a, 1, "a"}, 0.001,
30}, {{b, 1, "b"}, 0.1, 2}]
Note, you don't need the { and } surrounding Plot and ListPlot.
Also, note I've changed the minimum value of a to a small
positive value since 0 will cause an error.
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