Re: Problem with Distribution Functions
- To: mathgroup at smc.vnet.net
- Subject: [mg84856] Re: Problem with Distribution Functions
- From: "Stratocaster" <stotz1 at verizon.net>
- Date: Wed, 16 Jan 2008 23:05:16 -0500 (EST)
- References: <fmfibi$las$1@smc.vnet.net>
"Stephan Heckmueller" <stephan.heckmueller at gmx.net> wrote in message news:fmfibi$las$1 at smc.vnet.net... > Hello, > I have a little problem with Mathematica's statistical > distributions. These seem not to be evauluated properly. > For example the documentation says that > Variance[GammaDistribution[a,b]] should be evaluated to > ab^2. In my worksheets I simply get: > Variance[GammaDistribution[a,b]]. There are no errors > or warnings whatsoever. > > Is there some package missing do I have to call the > needs function in advance? > > Thanks. > Yes. <<Statistics`ContinuousDistributions` Load that-then try it.