[R] how to specify ggplot2 facet plot order
cfriedalek at gmail.com
Wed Feb 27 11:23:22 CET 2008
thanks for your help. I've been searching the R-help archives for posts by
you and Hadley as a way to learn ggplot details so I appreciate your help to
the R community.
I wasn't aware of the levels option in the factors function. In my real
application I get the data using read.csv and factor assignment happens
automagically. Is there a way to control the level assignments at the input
stage? Can't see anything to that effect in help.
Sorry for the cut & paste error ... getting used to Xemacs on Windows. I
used emacs years ago on Unix but now my environment is Windows. So far I
find the Xemacs/Ess combo to be very powerful and flexible. Just need to get
used to C-x C-c etc differences.
ONKELINX, Thierry wrote:
> The order of the facets row or column depend on the order in the
> associated factor. The code below is what you want. Note that I have
> changed 'cases' in 'series' because your example was not reproducible as
> a definition of 'cases' was missing.
> series <- c('C2','C4','C8','C10','C15','C20')
> series <- factor(series, levels = series)
> ids <- c('ID1','ID2','ID3')
> mydata <-
> qplot(VALUE, data = mydata, geom="density", facets=SERIES ~ ID)
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