search for: n4282207

...sep=";", dec=",", encoding="UTF-8") plot(NI~TOC,data=TOC_NI,col="blue", pch=16, xlim=c(0,4500000)) abline(lm(NI~TOC,data=TOC_NI),col = "red",lwd=3) summary(lm(NI~TOC,data=TOC_NI)) The result is the following pic: http://r.789695.n4.nabble.com/file/n4282207/nickel_TOC_5f.png nickel_TOC_5f.png Now I want to make small red circles around the four highest values of Ni. Does anyone has an idea how to do that? Thanks a lot! Best Regards Geophagus -- View this message in context: http://r.789695.n4.nabble.com/colored-outliers-tp4282207p4282207.html...