Could you calculate the log values of the two sections, fit the line, and use lines() to draw them?
--- Joren Heit <[EMAIL PROTECTED]> wrote: > Hi, > > I have processed measurements of a rough surface to > a heigh-height > correlation plot. What the meaning of this exactly > is, is not important. > Only that it is a plot that had two (almost ) linear > parts when plotted on a > logaritmic scale. In this plot, I want to draw the > best fitting lines for > these linear parts but I just can't get it done. It > is easy when the scales > are linear but as you might have imagined, the > scales being logarithmic > don't add to the simplicity of my problem. > Thanks in advance! > > Joren > > [[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.
