On Apr 20, 2011, at 8:45 AM, murilofm wrote:
The link to the csv file is
http://www.filedropper.com/data_5
I use the "d" variable to create the radius:
radius <- sqrt( inv$d/ pi )
and i tried
symbols(inv$a, inv$b, circles=radius, inches=0.35, fg="white",
bg="red", xlab="aa", ylab="bb",
col=c("blue","red")[inv$c+1])
You should follow the Posting Guide's advice and offer the full code
you used to read in that data. It's _not_ comma separated, and for
some reason even using read.csv2 to properly read a semi-colon
separated file, I also needed to to convert the first two variables
from factor to numeric ... please also read the FAQ item on this topic.
Once that was done this "works", since col is _not_ the proper
argument for coloring with that function:
?symbols
plot.new()
symbols(inv$a, inv$b, circles=radius, inches=0.35,
bg=c("blue","red")[inv$c+1])
--
David Winsemius, MD
West Hartford, CT
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