Here's one way - you can reorder the levels of a factor variable by specifying
the levels the way you want them.
> require("lattice")
Loading required package: lattice
> bwplot( conc ~ Type : Treatment, data = CO2 )
> str(CO2$Type)
Factor w/ 2 levels "Quebec","Mississippi": 1 1 1 1 1 1 1 1 1 1 ...
>
> str(CO2$Treatment)
Factor w/ 2 levels "nonchilled","chilled": 1 1 1 1 1 1 1 1 1 1 ...
> ?bwplot
> CO2 <- CO2 ## Make a copy in the global environment
> CO2$Type2 <- factor(as.character(CO2$Type), levels = c("Mississippi",
> "Quebec"))
> with(CO2, table(Type, Type2))
Type2
Type Mississippi Quebec
Quebec 0 42
Mississippi 42 0
> quartz() ## Your plot window type here (quartz() works on a Mac)
> bwplot( conc ~ Type : Treatment, data = CO2 )
> quartz()
> bwplot( conc ~ Type2 : Treatment, data = CO2 )
>
Steven McKinney
Statistician
Molecular Oncology and Breast Cancer Program
British Columbia Cancer Research Centre
________________________________________
From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On Behalf Of
Eck, Bradley J [brad....@mail.utexas.edu]
Sent: July 23, 2010 10:02 AM
To: r-help@r-project.org
Subject: [R] re-ordering bwplot
Dear list:
I'm using bwplot to compare concentrations by location and treatment as in:
# using built in data
bwplot( conc ~ Type : Treatment, data = CO2 )
I would like the order of the plots to be: 3,4,1,2. I can't seem to figure
this out with index.cond or permc.cond.
Any help is appreciated!
Brad Eck
[[alternative HTML version deleted]]
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______________________________________________
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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.
