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? >