[R] Tables in legend
Vemuri, Aparna
avemuri at epri.com
Mon Feb 9 18:39:32 CET 2009
Thanks Jim. That was the first thing I tried. I should have mentioned
that I was also trying to write the three columns of the legend using
three different colors. So I want the "blah" column to be black, second
column to be red and the third column to be blue.
I would appreciate if you can share any ideas on how to do this.
-----Original Message-----
From: jim holtman [mailto:jholtman at gmail.com]
Sent: Friday, February 06, 2009 4:52 PM
To: Vemuri, Aparna
Cc: r-help at r-project.org
Subject: Re: [R] Tables in legend
This will probably do what you need:
plot(1)
x <- 1:10 # numbers for the legend
blah <- LETTERS[1:5]
legendData <- character(5)
for (i in 1:5)
legendData[i] <- sprintf("Blah-%s %d %d", blah[i], x[2*i - 1],
x[2*i])
legend('topright', legend=legendData)
On Fri, Feb 6, 2009 at 6:57 PM, Vemuri, Aparna <avemuri at epri.com> wrote:
> I need to create a legend for a simple scatter plot in the following
> format.
>
> This is Blah1 number1 number2
> This is Blah2 number3 number4
> .
> .
> .
> This is Blah6 number11 number12
>
> I looked up these help pages and found the following solution.
> lStr<-c(Blah1, Blah2,....Blah6, number 1, number2, ...number12)
> legend(x="topright",lStr,ncol=3)
>
> So this creates the tabular format I am looking for. But the width of
> each column is matched to the width of the longest column. So the
legend
> now looks like this:
>
> This is Blah1 number1 number2
> This is Blah2 number3 number4
> .
> .
> .
> This is Blah6 number11
number12
>
>
> And thus, I have the legend occupying most part of the top half of my
> plot. I was wondering if there is any way to fit in the legend
compactly
> or even better to format the width of columns 2 and 3 in the legend
and
> remove the blank spaces between them. I have tried rounding off the
> number values to 3 digits with no luck.
>
> I hope this is not too ambitious to ask.
>
> Thanks in advance!
> Aparna
>
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
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