[R] Varying x-axis labels in lattice
Frank E Harrell Jr
f.harrell at vanderbilt.edu
Wed Aug 12 13:58:59 CEST 2009
Thanks very much Deepayan and Duncan. Both of your suggestions are very
helpful and should do what I need.
Frank
Deepayan Sarkar wrote:
> On Tue, Aug 11, 2009 at 6:30 AM, Frank E Harrell
> Jr<f.harrell at vanderbilt.edu> wrote:
>> Dear Group:
>>
>> I want to use lattice with a formula such as y ~ x | v to plot a data frame
>> in which v varies to indicate which "x" is really being plotted. I know how
>> to make the x-axis scales vary with the panel but is it possible to let the
>> x-axis label vary, i.e., to let the user specify a vector of x-axis labels?
>
> 'xlab' can be a vector, but this is mostly useful for column-specific
> (not panel-specific) labels; e.g.,
>
> densityplot(~Sepal.Length + Sepal.Width, data = iris,
> groups = Species, strip = FALSE, layout = c(2, 1),
> xlab = c("Sepal.Length", "Sepal.Width"))
>
> Does that help? Otherwise using strips as Duncan suggested is the only
> simple solution.
>
> -Deepayan
>
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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