What does this have to do with R? Post on a statistical list (like stats.stackexchange.com).
I would urge respondents here to reply privately. -- Bert On Wed, Dec 19, 2012 at 1:08 PM, Zhiqiu Hu <zhiqiu...@gmail.com> wrote: > Respected R Users, > > I looking for help with generating theoretical confidence regions for any > of non-symmetric bivariate statistical distributions (bivariate Chi-squared > distribution<Wishart distribution>, bivariate F-distribution, or any of the > others). I want to to used it as a benchmark to compare a few strategies > constructing confidence regions for non-symmetric bivariate data. > > There is a paper proposed an accumulative function for bivaraite > F-Distribution, but it was basically oriented for "one-tail" testing. I > understand that it is nonsense to consider two-tails of F or Chi^2 > distribution in most cases. But we may still need to know the confidence > intervals of a estimate following the distributions in some situations. > Thereby, please forget the necessity of the question itself. In one word, > my question is: for two variables x and y, which are following chi^2 > distributions (df=4), independently, what is the theoretical confidence > region of the joint distribution of x,y for a given alpha? Since the issues > has already beyond my research area, please let me know if my descriptions > are confusing. Numeric strategies are also welcomed for the issue. > > I appropriate your kindly help with the matter. > > Best regards, > > Zhiqiu > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm [[alternative HTML version deleted]] ______________________________________________ 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.