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Re: How to define a statistical distribution?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg108397] Re: How to define a statistical distribution?
  • From: kj <no.email at please.post>
  • Date: Tue, 16 Mar 2010 04:46:32 -0500 (EST)
  • References: <hnl7kb$at3$1@smc.vnet.net>

Thanks!

~K

P.S.  Thanks also for fixing the n_succ, n_tot goofs in my original
post.



In <hnl7kb$at3$1 at smc.vnet.net> Bob Hanlon <hanlonr at cox.net> writes:

>Use TagSetDelayed ( /:  := )

>FisherNoncentralHypergeometric /: 
> PDF[FisherNoncentralHypergeometric[n_, nSucc_, nTot_, w_], x_] := 
> < your definition of PDF here >

>FisherNoncentralHypergeometric /: 
> CDF[FisherNoncentralHypergeometric[n_, nSucc_, nTot_, w_], x_] := 
> < your definition of CDF here >

>FisherNoncentralHypergeometric /: 
> Mean[FisherNoncentralHypergeometric[n_, nSucc_, nTot_, w_]] := 
> < your definition of Mean here >

>and so on


>Bob Hanlon

>---- kj <no.email at please.post> wrote: 

>=============


>Hi!

>Is there a way for a user to implement a statistical distribution
>in Mathematica, so that it can be used like any other statistical
>distribution in Mathematica (e.g. NormalDistribution, BinomialDistribution,
>etc.)?

>Specifically, I want to implement

>FisherNoncentralHypergeometric[n,n_succ,n_tot,w]

>TIA!

>~K





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