Try:
R2 <- -0.18
panel.text(label = bquote(R^2 == .(R2)), ...
On Mon, May 18, 2009 at 10:25 AM, <steve_fried...@nps.gov> wrote:
>
> I'd like to annotate an xyplot with an R^2 value, but can not find the
> syntax to define the superscript format for the text.
>
> I'd appreciate suggestions,
>
> xyplot(SharkSloughEggs.df$Sharkeggs.rel +
> SharkSloughEggs.df$SharkHatched.rel + SharkSloughEggs.df$SharkFlooded.rel +
> HSI.shark$MEAN ~ Year,
> pch=c(1,9,5,4), lty=c(1,6,3,4), lwd = c(2), col = c("black",
> "blue", "green", "red"),
> scales=list(tick.number=length(Year)), data=SharkSloughEggs.df,
> ylab="Relative Egg Success",
> main="Shark Slough Alligators",
> par.settings = graph.sets, type = "b")
> trellis.focus()
> panel.text(x=1999, y = 0.95, labels="Hatched Eggs\nR^2
> = -0.18", cex = 0.75)
> panel.text(x=1998, y = 0.35, labels="Number of
> Eggs\nR^2 = 0.43",cex = 0.75)
> panel.text(x=1995, y = 0.25, labels="Flooded Eggs\nR^2
> = -0.50", cex = 0.75)
> panel.text(x=1986, y = 0.3, labels="Mean HSI", cex =
> 0.75)
> trellis.unfocus()
>
>
> Thanks
> Steve
>
>
> Steve Friedman Ph. D.
> Spatial Statistical Analyst
> Everglades and Dry Tortugas National Park
> 950 N Krome Ave (3rd Floor)
> Homestead, Florida 33034
>
> steve_fried...@nps.gov
> Office (305) 224 - 4282
> Fax (305) 224 - 4147
>
> ______________________________________________
> 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.
>
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