Groups > comp.lang.java.programmer > #31849

Re: random generation from discrete probability distribution function

From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: random generation from discrete probability distribution function
Date	2015-06-23 20:31 -0400
Organization	A noiseless patient Spider
Message-ID	<mmcts9$v3f$1@dont-email.me> (permalink)
References	<f078c43f-bc67-4a50-b660-68294042b23e@googlegroups.com>

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On 06/23/2015 04:46 AM, saha.noruz@gmail.com wrote:
> Hi all,
>
> I need to code a probability matrix and then choose a random number for each row according to the their probability.
> I know I have to use Random(),but I do not know how can I use this one according to the probability.
> Also, I need to know how I can code the probability matrix.
>
> Thanks
>
You might try something from the
org.apache.commons.math3.distribution
package.

There is a similar package that I used recently
to get samples from an exponential distribution
but I can't recall it.

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random generation from discrete probability distribution function "saha.noruz@gmail.com" <sahar.fakhar@gmail.com> - 2015-06-23 01:46 -0700
  Re: random generation from discrete probability distribution function Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-06-23 07:37 -0400
    Re: random generation from discrete probability distribution function Arne Vajhøj <arne@vajhoej.dk> - 2015-06-28 20:27 -0400
  Re: random generation from discrete probability distribution function e.d.programmer@gmail.com - 2015-06-23 04:51 -0700
  Re: random generation from discrete probability distribution function Jeff Higgins <jeff@invalid.invalid> - 2015-06-23 20:31 -0400

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