There is no reason to think it would show up since its outside the range of your data.
Use ylim to expand the range of the axis if you want it. On Sun, May 17, 2009 at 10:29 AM, Afshartous, David <dafshart...@med.miami.edu> wrote: > > On my machine the 10^1 tick mark does not show up. > >> sessionInfo() > R version 2.9.0 (2009-04-17) > i386-apple-darwin8.11.1 > > locale: > en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] lattice_0.17-22 > > loaded via a namespace (and not attached): > [1] grid_2.9.0 > > > > On 5/16/09 9:03 PM, "Deepayan Sarkar" <deepayan.sar...@gmail.com> wrote: > > On 5/16/09, Afshartous, David <dafshart...@med.miami.edu> wrote: >> >> >> Thanks, but even with typo corrected as below the supplied marks are not >> followed: >> xyplot(y ~ t, type = "b", scales = list(y = list(log = TRUE, at = >> c(10^1,10^2, 10^2.5, 10^3)))) >> > > How so? Looks OK to me. > > -Deepayan > > >> >> >> ________________________________________ >> From: Gabor Grothendieck [ggrothendi...@gmail.com] >> Sent: Saturday, May 16, 2009 6:11 PM >> To: Afshartous, David >> Cc: r-help@r-project.org >> Subject: Re: [R] Lattice scales question: using "at" when log = TRUE >> >> >> Your parentheses are wrong. It should be >> >> y = list(log = TRUE, at = ...) >> >> >> On Sat, May 16, 2009 at 5:11 PM, Afshartous, David >> <dafshart...@med.miami.edu> wrote: >> > >> > All, >> > >> > I have a simple lattice plot where I have set log = TRUE for the y scale. >> > >> > When I attempt to change the tick locations via the "at" argument within >> > scales, the supplied numeric vector is not followed. Any suggestions much >> > appreciated for the example below: >> > >> > y = c(10^1.5, 10^2, 10^3, 10^2) >> > t = c(1,2,3,4) >> > xyplot(y ~ t, type = "b", scales = list(y = list(log = TRUE))) >> > >> > ## tick marks not followed for supplied marks below: >> > xyplot(y ~ t, type = "b", scales = list(y = list(log = TRUE), at = c(10^1, >> > 10^2, 10^2.5, 10^3))) >> > >> > Cheers, >> > David >> > >> > PS - >> > Another thing is that the scale is no longer in scientific notations, but >> > that is okay since this can be fixed via the labels argument within >> scales: >> > e.g., labels = c(expression(10^1), expression(10^2), ...) >> > An example of fancy labels for log axes is on p.147 of Deepayan's Lattice >> > book. >> > >> > ______________________________________________ >> > 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-h...@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.
