Many thanks Bill, that's it! Best wishes
Antonio 2017-05-06 20:50 GMT-03:00 William Dunlap <wdun...@tibco.com>: > Does the following do what you want? > > > plot(log2(1:40), sin(1:40)) > > yTickPositions <- axTicks(2) > > axis(side=4, at=yTickPositions, lab=format(yTickPositions*3.5)) > > > Bill Dunlap > TIBCO Software > wdunlap tibco.com > > On Sat, May 6, 2017 at 2:50 PM, Antonio Silva <aolinto....@gmail.com> > wrote: > >> Hello >> >> I want to make a plot with two "y" axes. The labels at axis 4 should be >> the >> values from axis 2 multiplied by a scale factor (as 3.5). >> >> In the example below I draw axis 4 exactly as axis 2. But I could not find >> a way to multiply its values by 3.5 (e.g.). >> >> plot(rnorm(100,30,5)) >> axis(4) # I'd like to have these values multiplied by a scale factor >> >> I will produce plots for different data sets in a looping and y values >> will >> vary so I cannot "freeze" axis 4 labels because they (values and scale >> factor) will vary from plot to plot. >> >> Thanks in advance for any help. All the best. >> >> Antonio >> >> [[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/posti >> ng-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > -- Antônio Olinto Ávila da Silva Biólogo / Oceanógrafo Instituto de Pesca (Fisheries Institute) São Paulo, Brasil [[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.
