[R] How to convert color to black & white

OlsenN@pac.dfo-mpo.gc.ca OlsenN at pac.dfo-mpo.gc.ca
Sat May 14 03:05:53 CEST 2005

Here's one option:


Norm Olsen
Fisheries and Oceans Canada

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
To: R-help at stat.math.ethz.ch
Sent: 5/13/2005 11:40 AM
Subject: [R] How to convert color to black & white

Dear all,
Could someone please explain to me how to convert color to black &
For example:
barplot(1:5,col = rainbow(5))
Because I need to print my plot to save my ink color printer.
I don't want to convert to grayscale, but keep it as an RGB.
I  would be very happy if anyone could help me.
Thank you very much in advance.

Kindly regards,
Muhammad Subianto

R-help at stat.math.ethz.ch mailing list
PLEASE do read the posting guide!

More information about the R-help mailing list