You didn't say how the values differed. If one in the plot is a rounded version of the other then adding the ggpur::ggscatter() argument cor.coeff.args=list(digits=7) will fix things up.
-Bill On Sun, May 30, 2021 at 9:18 AM Mahmood Naderan-Tahan < mahmood.nade...@ugent.be> wrote: > Hi > > Maybe this is not directly related to R, but I appreciate you can help me > with an idea. I use the following ggscatter function to plot a Pearson > correlation Coefficient and it works fine. In the chart I see both R-value > and P-value. > > > ggscatter(mydata, x = "V1", y = "V2", add = "reg.line", conf.int = > TRUE, cor.coef = TRUE, cor.method = "pearson") > > > On the other hand, when I use this command > > > res <- cor.test(mydata$V1, mydata$V2, method = "pearson") > > > The R and P values are different from ggscatter. > > > I would like to know: > > > 1- Why they are different? > > 2- How to print P and R values of ggscatter on terminal? > > > > Regards, > Mahmood > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
