This is off topic here.Post to a statistics forum like stats.stackexchange.com instead -- or talk to your professor or TA (if you're a student).
Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." Clifford Stoll On Fri, Nov 21, 2014 at 8:56 PM, Yunqi Zhang <yqzh...@ucsd.edu> wrote: > Hi all, > > I think this is probably a very simple question related to ANOVA or > quantile regression. > > Let's say if I'm doing ANOVA on 2 factors (f_a and f_b) and trying to > figure out whether they have an impact on the output. The result shows me > that f_a has a significant impact while f_b does not as following, where > the std. error (confidence interval) is > > estimate std. error p-value > f_a 10 0.2 0.001 > f_b 0.5 2 0.56 > > If I take this result, and I want to make my best guess for the output of a > pair of f_a and f_b values. Should I calculate the output using both f_a > and f_b or only the f_a because f_b is statistically insignificant? And > what the std. error (confidence interval) would be? > > Specifically, should I do > > guessed output = 10 * f_a + 0.5 * f_b and the std. error is 0.2 + 2 = 2.2 > > or > > guessed output = 10 * f_a and the std.err is 0.2 > > Thank you very much! > > Yunqi > > [[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. ______________________________________________ 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.