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I have a series of boxplots that i am generating with ggplot2. I want to control the order in which they are displayed. Is there a way to control this order? I have two genotypes and i want them displayed as WT then KO rather than the reverse (which is what i am getting as a default). My code right now is:

p <- qplot(genotype, activity.ratio, data = df) 
p + geom_boxplot() + geom_jitter()

Also if this is better as a SO question than this forum then please let me know (and if it is the correct forum can someone create a ggplot tag).

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  • $\begingroup$ I don't think a "ggplot" tag will be very useful here (maybe mods would have a different opinion). $\endgroup$
    – chl
    Commented Oct 25, 2010 at 14:16

1 Answer 1

Reset to default
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Would that help?

x <- gl(2, 20, 40, labels=c("KO","WT"))
y <- rnorm(40)
qplot(x,y)
qplot(relevel(x, "WT"),y)
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