[R] ggplot2 geom_bar arrangement
thomas.mailund at gmail.com
Wed Jun 28 05:52:45 CEST 2017
The order the bars are plotted in is determined by the levels in a factor, and your labels are treated as a factor. You can make sure you keep the order of your labels by simply doing this:
Lab <- factor(Lab, levels = Lab)
before constructing the data frame.
On 27 Jun 2017, 20.43 +0200, Brian Smith <bsmith030465 at gmail.com>, wrote:
> I was trying to draw a geom_bar plot. However, by default, the bars are
> arranged according to the label, which I don't want. I want the bars to
> appear exactly as they appear in the data frame. For example in the code:
> valuex = c(3.1,2.3,0.4,-0.4,-1.2,-4.4)
> df <- data.frame(Lab,valuex)
> px <- ggplot(df,aes(Lab,valuex,label=Lab)) + geom_text(aes(y=0)) +
> geom_bar(stat = "identity")
> The default arranges the bars in order 'a' through 'f', but I want them
> arranged as per df.
> How can I do this?
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