From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4190 invoked by alias); 21 Dec 2004 17:12:08 -0000 Mailing-List: contact gsl-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sources.redhat.com Received: (qmail 3699 invoked from network); 21 Dec 2004 17:11:44 -0000 Received: from unknown (HELO punt-mx0.dmpriest.net.uk) (62.13.128.153) by sourceware.org with SMTP; 21 Dec 2004 17:11:44 -0000 Received: from squirrel.dmpriest.net.uk (secure.authsmtp.com [62.13.128.25]) by punt-mx0.dmpriest.net.uk (8.12.11/8.12.11/Kp) with ESMTP id iBLHBh80031049 for ; Tue, 21 Dec 2004 17:11:43 GMT Received: from nan.dnsalias.org ([194.117.6.229]) (authenticated bits=0) by squirrel.dmpriest.net.uk (8.13.1/8.13.1/Kp) with ESMTP id iBLHBgFi057451 for ; Tue, 21 Dec 2004 17:11:42 GMT (envelope-from jgmbenoit@wanadoo.fr) Received: from localhost ([127.0.0.1]) by nan.dnsalias.org with esmtp (Exim 4.34) id 1CgnXx-0005OX-EJ for gsl-discuss@sources.redhat.com; Tue, 21 Dec 2004 17:11:42 +0000 Message-ID: <41C8594D.90707@wanadoo.fr> Date: Tue, 21 Dec 2004 17:12:00 -0000 From: Jerome BENOIT Reply-To: jgmbenoit@wanadoo.fr Organization: none User-Agent: Mozilla Thunderbird 0.9 (X11/20041124) MIME-Version: 1.0 To: gsl-discuss@sources.redhat.com Subject: Re: discret random distributions: test References: <41C5C6DC.5010904@wanadoo.fr> <16840.19530.535732.244729@network-theory.co.uk> In-Reply-To: <16840.19530.535732.244729@network-theory.co.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "nan.dnsalias.org", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or block similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello, thank you very much for the answer. Brian Gough wrote: > Jerome BENOIT writes: > > I have just read in the source (GSL 1.5) the tests made > > to check the discret random distributions, but I cannot > > clearly figure out the idea behind the test: > > any hint is welcome. > > randist/test.c samples the distribution and compares the resulting > histogram with the pdf itself to see if they are compatible within > statistical errors. > [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- X-Authentic-SMTP: 61633132333330.squirrel.dmpriest.net.uk:Kp X-Powered-By: AuthSMTP - http://www.authsmtp.com - Authenticated SMTP Mail Relay X-Report-SPAM: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-Virus-Status: No virus detected - but ensure you scan with your own anti-virus system! X-SW-Source: 2004-q4/txt/msg00126.txt.bz2 Hello, thank you very much for the answer. Brian Gough wrote: > Jerome BENOIT writes: > > I have just read in the source (GSL 1.5) the tests made > > to check the discret random distributions, but I cannot > > clearly figure out the idea behind the test: > > any hint is welcome. > > randist/test.c samples the distribution and compares the resulting > histogram with the pdf itself to see if they are compatible within > statistical errors. > I understood the sampling part and the comparing part. What confuses me is the compatibility criteria. In particular, why the undimensionless sigma variable (a difference over a square root) is compare to a dimensionless value (a constant) ? Thanks, Jerome