[R] How to set default plotting colors by treatment?

[Remko Duursma]

> col=c("blue","red")mydfr$[treatment]

Yes, but I would like to use the function for lots of other dataframes
as well, so embedding 'mydfr' in the function is not the ideal
solution...


remko

-------------------------------------------------
Remko Duursma
Post-Doctoral Fellow

Centre for Plants and the Environment
University of Western Sydney
Hawkesbury Campus
Richmond NSW 2753

Dept of Biological Science
Macquarie University
North Ryde NSW 2109
Australia

Mobile: +61 (0)422 096908
www.remkoduursma.com



On Mon, Sep 14, 2009 at 6:08 PM, Polwart Calum (County Durham and
Darlington NHS Foundation Trust) <calum.polwart at nhs.net> wrote:
>>
>> # I tried defining a function like this
>> myplot <- function(...)plot(..., pch=19, col=c("blue","red")[treatment])
>>
>> # So i can call it like this:
>> with(mydfr, myplot(Xmeas, Ymeas))
>>
>> # but:
>> Error in plot.xy(xy, type, ...) : object 'treatment' not found
>>
> basically that is something like calling:
>
> myplot( mydfr$Xmeas, mydfr$Ymeas )
>
> So plot doesn't know that treatment is within mydfr...
>
> changing your function to:
>
> myplot <- function(...) {
> plot(...,
>       pch=19,
>       col=c("blue","red")mydfr$[treatment]
>      )
> }
>
> should work?
>
> ********************************************************************************************************************
>
> This message may contain confidential information. If yo...{{dropped:21}}
>
> ______________________________________________
> R-help at 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.
>