Ted Harding; you are my HERO! THANK YOU!
Ted.Harding-2 wrote: > > On 10-Jul-08 20:43:12, DaveFrisch wrote: >> >> Okay, so I'm fairly retarded, and asked a question about finding >> the T-Value in the Fisher Exact method. I suppose what I'm truly >> after can best be explained by the Biddle Consulting site that has >> a program setup to deal with this kind of thing. Unfortunately, >> it is not currently functioning, and has not been for some time. >> As a result, I'm trying to figure out how to do this on my own. > > It is working now. > >> What I'm after is the "Probability as Std. Deviations (SumP)" >> which can be seen here; >> http://www.biddle.com/adverseimpacttoolkit/SelectionRateComparison.aspx >> >> I appreciate the time everyone took in getting me straightened out on >> my previous question. Hopefully I've provided a somewhat more >> meaningful scenario here. > >>From the explanation in Note [4] of that web-page, it seems that > what you are after corresponds to: > > fisher.test(matrix(c(11,5,7,12),ncol=2)) > # Fisher's Exact Test for Count Data > # data: matrix(c(11, 5, 7, 12), ncol = 2) > # p-value = 0.09222 > # alternative hypothesis: true odds ratio is not equal to 1 > # 95 percent confidence interval: > # 0.7619524 19.6952184 > # sample estimates: > # odds ratio > # 3.621276 > > fisher.test(matrix(c(11,5,7,12),ncol=2))$p > # [1] 0.09221518 > > qnorm(1-fisher.test(matrix(c(11,5,7,12),ncol=2))$p/2) > # [1] 1.683827 > > Hoping this helps! > Ted. > > -------------------------------------------------------------------- > E-Mail: (Ted Harding) <[EMAIL PROTECTED]> > Fax-to-email: +44 (0)870 094 0861 > Date: 10-Jul-08 Time: 22:52:31 > ------------------------------ XFMail ------------------------------ > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/Interpretation-of-EXACT-Statistical-Test-in-finding-the-probability-as-Std.-Deviations-%28SumP%29-tp18391467p18393190.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
