You can assemble a list of colors manually to do what you want.
Something like:
col = c("grey", "black", rainbow(50) )
ought to do the trick.
-G
> Hello there! I'd just like to say in advance, "Thank you," for any
help and/or
> advice.
>
> My problem is as follows:
>
> I have a dataset that is made up of percentages. I've assigned my
"error"
> percentages a value of '-100', my "non-existent" percentages a value
of '0',
> and all my other percentages are normal values that range from the
high 60's to
> 100. I would like to create a heatmap that designates my "error"
values as
> gray, my "non-existent" values as black, and I would like to to have
the rest
> of my values, say 50 to 100, as a rainbow-type spectrum (like the
palette
> "Spectral" in RColorBrewer, except with 50 values).
>
> I've tried using breaks, and then implementing the breaks in my
heatmap.2
> command. The breaks work just fine. I guess what I want to control is
the range
> of the:
>
> col=(colorpanel(#, low="color1", mid="color2", high="color3"))
>
> command. Is there any way to set more values than "low," "mid," and
"high?" If
> that is possible I think it would solve my problem. I've looked over
the
> documentation and searched over previous color/heatmap-related
questions, but
> haven't come across anything that points me in the right direction.
>
> Please let me know if any of what I said needs clarifying before you
can give
> me what you feel is an appropriate response. Thanks again for your
time.
>
> Regards,
>
> Daniel
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
______________________________________________
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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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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
