I'm thinking you need to read up on what a p-value is: https://secure.wikimedia.org/wikipedia/en/wiki/P-value
Michael Weylandt On Mon, Oct 31, 2011 at 2:51 PM, Muhammad Rahiz <muhammad.ra...@ouce.ox.ac.uk> wrote: > Hi everyone, > > I'm trying to determine the significance of a trendline. From my internet > search months ago, I came across the following post. I modified tim and > dat for simiplicity. > > tim <- 1:10 > dat <- c(0.17, 1.09 ,0.11, 0.82, 0.23, 0.38 ,2.47 ,0.41 ,0.75, 1.44) > > fstat <- summary(lm(dat~tim))$fstatistic > p.val <- 1-pf(fstat["value"],fstat["numdf"],fstat["dendf"]) > > The resultant p.value is 0.261. But I want to know if this > value is significant and at what significance level. How do I check for > it? > > Thanks > > -- > Muhammad > > ______________________________________________ > 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.
