GammaDistribution versus PoissonDistribution
- To: mathgroup at smc.vnet.net
- Subject: [mg78977] GammaDistribution versus PoissonDistribution
- From: P_ter <peter_van_summeren at yahoo.co.uk>
- Date: Sat, 14 Jul 2007 02:42:53 -0400 (EDT)
Hello,
as far as I understand the GammaDistribution has two parameters: alfa and beta. With beta =1 one should get the PoissonDistribution with paramter alfa-1.
I did, just to check:
N[Table[{i, PDF[PoissonDistribution[12],i],
PDF[GammaDistribution[13,1],i] },{i,0,30}]
I got different values.
Can anyone help me in what I do wrong?
with friendly greetings,
Peter