Message-ID: <20050418161110.88224.qmail@web25807.mail.ukl.yahoo.com>
Date: 2005-04-18T16:11:09Z
From: Werner Wernersen
Subject: Barplot and colors for legend
>>>Hi all!
>>>
>>>One quick question: How do I get the standard
colors
>>>used by barplot? I have
>>>some stacked bars and would like to add a
horizontal
>>>legend via legend() but I
>>>don't know how to find the colors for the fills of
the
>>>legend points.
>>>
>>>Thanks!
>>> Werner
>>
>>
>>Type
>> barplot.default
>>and read the code:
>>
>>for a vector: "grey",
>>for a matrix: grey(seq(0.3^2.2, 0.9^2.2, length =
>>nrow(height))^(1/2.2))
>
>
> This must be an old version of R ;-)
>
> In R 2.1.0, there is a function gray.colors() which
creates a vector of
> gamma-corrected gray colors (and is used in
barplot.default).
>
> Best,
> Z
Thanks for the quick help!
I am using R 2.0.1 under Windows 2000 and Uwes
suggestion helps.
And another thanks: Finally I realized that I don't
have the newest R version!
Thanks again,
Werner