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-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.
