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Re: Expectations

• To: mathgroup at smc.vnet.net
• Subject: [mg22011] Re: [mg21970] Expectations
• From: BobHanlon at aol.com
• Date: Thu, 10 Feb 2000 02:25:55 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

For many common distributions you just need to load the standard package

Statistics`ContinuousDistributions`

or

Statistics`DiscreteDistributions`

If you need some other distribution, use the standard package as a template 
to define your own distribution and its moments/functions.

Bob Hanlon

In a message dated 2/7/2000 2:23:08 PM, Yannis.P at eulergroup.com writes:

>Has anybody devised a clever way to derive mathematical expectations E(x),
>variances V(x) etc? To be more precise, suppose I define a pdf function
>for
>x (or for more variables), is it possible to derive the above moments of
>the
>given distribution?
>