[R] XYplot simple question

Sundar Dorai-Raj sdorairaj at gmail.com
Mon Mar 16 14:17:07 CET 2009

Convert "Plot" to factor:

xyplot(AbvBioAnnProd ~ Year | Plot, type = c("b", "r"), pch = 16)

Also note that using the "type" argument with multiple values prevents
the necessity of a custom panel function.



On Mon, Mar 16, 2009 at 5:54 AM, AllenL <allen.larocque at gmail.com> wrote:
> Hello R friends,
> Simple question today: I am desiring to do an xyplot with the below code,
> which graphs time series across different experimental Plots-
> xyplot(AbvBioAnnProd~Year|Plot)        ### Plots each monoculture biomass vs
> time
> xyplot(AbvBioAnnProd~Year|Plot,panel=function(x,y){
> panel.xyplot(x,y,type="b",pch=16)
> panel.abline(lm(y~x))
> })
> What I want to add are unique labels for each panel, where instead of all
> labeled "plot" with the "slide-bar visual" (although that is okay) I want
> the Plot number to appear (i.e. the value of "Plot" for that panel).
> This should be easy, right?
> -Al
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