Re: Biased Random[Integer]?
- To: mathgroup at smc.vnet.net
- Subject: [mg19084] Re: [mg19004] Biased Random[Integer]?
- From: Andrew Watson <abwatson at mail.arc.nasa.gov>
- Date: Thu, 5 Aug 1999 01:35:05 -0400
- Sender: owner-wri-mathgroup at wolfram.com
At 10:44 AM -0700 8/3/99, AES wrote: >"Random[Integer]" gives 0 or 1 with .probability 1/2. > >What's the simplest expression that will yield 0 or 1 with probabilities >p and 1-p ? > >(p itself might be a rational fraction, p = p1/p2.) > >I can write various expressions that do this, but what's the cleanest or >tersest way? Of course you can do it other ways, but "officially", \!\(TraditionalForm\`BernoulliDistribution\) In[9]:= <<Statistics`DiscreteDistributions` In[10]:= Random[BernoulliDistribution[.6]] Out[10]= 1 Andrew B. Watson MS 262-2 NASA Ames Research Center Moffett Field, CA 94035-1000 (650) 604-5419 (650) 604-0255 fax abwatson at mail.arc.nasa.gov http://vision.arc.nasa.gov/