Re: [math] G-Tests in math.stat.inference

2012-10-11 Thread Phil Steitz
__ > From: Ted Dunning > To: rado tzvetkov > Sent: Wednesday, October 10, 2012 4:34 PM > Subject: Re: [math] G-Tests in math.stat.inference > > > And the signed root version is indeed not suitable for more than the 2x2 > case. > > All you need for the general ca

Re: [math] G-Tests in math.stat.inference

2012-10-11 Thread rado tzvetkov
Tuesday, October 9, 2012 5:37 PM >Subject: Re: [math] G-Tests in math.stat.inference > > >Feel free to grab and adapt the Mahout code.  It has some added wrinkles for >convenience like the signed square root variant of the G-test. > > >On Tue, Oct 9, 2012 at 12:53 PM, rad

Re: [math] G-Tests in math.stat.inference

2012-10-09 Thread Ted Dunning
Feel free to grab and adapt the Mahout code. It has some added wrinkles for convenience like the signed square root variant of the G-test. On Tue, Oct 9, 2012 at 12:53 PM, rado tzvetkov wrote: > Also I already have code to contribute and tests for G-Test for > independence. (if needed) apache m

Re: [math] G-Tests in math.stat.inference

2012-10-09 Thread Phil Steitz
Thanks, Rado. You are most welcome to open a JIRA ticket [1] and attach code with references there. I agree this would be a useful addition to [math]. Thanks in advance. Phil [1] http://commons.apache.org/math/developers.html On 10/9/12 4:53 AM, rado tzvetkov wrote: > Need for additional stati

[math] G-Tests in math.stat.inference

2012-10-09 Thread rado tzvetkov
Need for additional statistics hypothesis Tests in math.stat.inference 1. Implementation of G-Test (log-likelihood ratio LLR test for independence and goodnes-of-fit) 2. Reference: http://en.wikipedia.org/wiki/G-test 3.Reasons-Usefulness: G-testsare tests that are increasingly being used in si