Hm... sounds like a homework problem to me... Maybe start by figuring out how to do it without R - what's the approach, and how would you calculate it? Then search R help for the possible key words you came up with.
Sarah On 4/8/07, Jochen.F <[EMAIL PROTECTED]> wrote: > > Hi... > > I have to use R to find out the 90% confidence-interval for the sensitivity > and specificity of the following diagnostic test: > > A particular diagnostic test for multiple sclerosis was conducted on 20 MS > patients and 20 healthy subjects, 6 MS patients were classified as healthy > and 8 healthy subjects were classified as suffering from the MS. > > Furthermore, I need to find the number of MS patients required for a > sensitivity of 1%... > > Is there a simple R-command which can do that for me? > > I am completely new to R... > > Help please! > > Jochen > -- -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ R-help@stat.math.ethz.ch 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.
