Hello Wayne, Welch Test (as suggested by M.S.) can be a good choice, but since your sample is very small you must ask yourself what can you assume about the two samples (i.e. do they come from more or less normal distributions, etc.).
Regards, Moshe. --- Wayne Aldo Gavioli <[EMAIL PROTECTED]> wrote: > > > Hello all, > > I have to run a 2 Sample Confidence Interval on some > data; the command for such > intervals is "confint(...)", but in the help > documentation it says that you > need a "fitted model object" in order to run this > command. What does that > mean? > > The data is very small, it's: > > x=c(8,12,10,14,2,0,0) > y=c(-6,0,1,2,-3,-4,2) > > > and I want to be able to run a Confidence interval > for the difference of two > means (x-bar minus y-bar). Do I have to fit these > two pieces of data into some > kind of object? > > > A little confused, > > > Wayne > > ______________________________________________ > 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. > ______________________________________________ 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.
