Hello R users and Hadley,
Back again with a little problem in ggplot2 =o) (ggplot 0.8.1, R 2.8.0)
Here the problem :
library(ggplot2)
df <- data.frame(id = 1:100, x1 = c(rnorm(50), rnorm(50, 1)), x2 =
c(rnorm(50), rnorm(50, 1.5)), x3 = c(rnorm(50, 0.5), rnorm(50, 2.5)), group
= as.factor(rep(c("a", "b"), each = 50)))
df.melt <- melt(df, id = c("id", "group"))
head(df.melt)
p <- ggplot(df.melt, aes(variable, value))
p + geom_boxplot(aes(fill = group))
# This graph is great, but I would like to have two panels, one for group
'a', and one for group 'b'
# With this code, I can't have one boxplot for each variable x1, x2 and x3
p + geom_boxplot(aes(fill = group)) + facet_wrap(~group)
# but it's working with geom_point
p + geom_point(aes(color = group)) + facet_wrap(~group)
Best regards.
david
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