[R] About "Plot.new"
Adam D. I. Kramer
adik-rhelp at ilovebacon.org
Fri Sep 12 00:50:28 CEST 2008
You can't add=TRUE unless the graph exists in the first place. So, drop that
if you're creating the graph. Or if that's there because you want to put a
boxplot on top of a preexisting graph, make sure you have created the
preexisting graph already.
On Thu, 11 Sep 2008, cathelf wrote:
> Hi, sorry for bothering your guys.
> I will trying to make some nice graph using boxplot. when I check the help
> file of boxplot, there is a sample code as:
> boxplot(len ~ dose, data = ToothGrowth, add = TRUE,
> boxwex = 0.25, at = 1:3 + 0.2,
> subset = supp == "OJ", col = "orange")
> legend(2, 9, c("Ascorbic acid", "Orange juice"),
> fill = c("yellow", "orange"))
> But when I run it, it shows the following error:
> Error in xypolygon(xx, yy, lty = "blank", col = boxfill[i]) :
> plot.new has not been called yet
> what does it mean? If I first run "plot.new()", then running the above
> code, only the x-axis and y-axis is on the graph, no boxplot inside.
> Can anyone tell me how to call plot.new or at least how to run the above
> code correctly?
> Thank you very much!
> View this message in context: http://www.nabble.com/About-%22Plot.new%22-tp19446258p19446258.html
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> 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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