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

Remko Duursma remkoduursma at gmail.com
Mon Sep 14 13:44:21 CEST 2009


The example is reproducible! Did you see the first post?

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 9:19 PM, Paul Hiemstra <p.hiemstra at geo.uu.nl> wrote:
> Remko Duursma wrote:
>>>
>>> col=c("blue","red")mydfr$[treatment]
>>>
>>
>> Yes, but I would like to use the function for lots of other dataframes
>> as well, so embedding 'mydfr' in the function is not the ideal
>> solution...
>>
>
> The problem is that the info in 'treatment' is non-constant, and you need to
> either pass on the info into the scope of the function, or you need to
> calculate the values in 'treatment' inside the function. Could you provide
> us with a reproducible example (as suggested in the posting guide), that
> would make it much easier for us to answer you question
>
> veel succes!
> Paul
>>
>> remko
>>
>> -------------------------------------------------
>> Remko Duursma
>> Post-Doctoral Fellow
>>
>> Centre for Plants and the Environment
>> University of Western Sydney
>> Hawkesbury Campus
>> Richmond NSW 2753
>>
>> Dept of Biological Science
>> Macquarie University
>> North Ryde NSW 2109
>> Australia
>>
>> Mobile: +61 (0)422 096908
>> www.remkoduursma.com
>>
>>
>>
>> On Mon, Sep 14, 2009 at 6:08 PM, Polwart Calum (County Durham and
>> Darlington NHS Foundation Trust) <calum.polwart at nhs.net> wrote:
>>
>>>>
>>>> # I tried defining a function like this
>>>> myplot <- function(...)plot(..., pch=19, col=c("blue","red")[treatment])
>>>>
>>>> # So i can call it like this:
>>>> with(mydfr, myplot(Xmeas, Ymeas))
>>>>
>>>> # but:
>>>> Error in plot.xy(xy, type, ...) : object 'treatment' not found
>>>>
>>>>
>>>
>>> basically that is something like calling:
>>>
>>> myplot( mydfr$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.
>>>
>>>
>>
>> ______________________________________________
>> 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.
>>
>
>
> --
> Drs. Paul Hiemstra
> Department of Physical Geography
> Faculty of Geosciences
> University of Utrecht
> Heidelberglaan 2
> P.O. Box 80.115
> 3508 TC Utrecht
> Phone:  +3130 274 3113 Mon-Tue
> Phone:  +3130 253 5773 Wed-Fri
> http://intamap.geo.uu.nl/~paul
>
>




More information about the R-help mailing list