Thanks Kenneth. That is the right idea for what I’m after. However, creating a
combined factor based on “g” and “f” is creating unwanted spaces between the
bars in the plot (I’d like to keep them adjacent within levels of “g” as shown
in my first plot).
I had the idea that ordering bars in ggplot with respect to a variable within
factor levels would be easier, but looks it is not.
Thanks again,
Axe.
> On Apr 14, 2017, at 10:40 PM, Kenneth Roy Cabrera Torres
> <krcab...@une.net.co> wrote:
>
> A very dirty solution.
>
> I hope someone can give a better solution:
>
> library(ggplot2)
> set.seed(1)
> df <- expand.grid(g = factor(1:4), f = factor(c("a", "b", "c")))
> df <- df[-1, ] # some factors are not present in certain groups
> df$v <- runif(nrow(df))
>
> library(dplyr)
>
> df <- df %>% arrange(g, desc(v))
> df$nv <- with(df, factor(paste(g,f)))
> df$nv <- factor(df$nv, levels = df$nv)
>
> ggplot(df, aes(x = nv , y = v, fill = f)) +
> geom_bar(position="dodge", stat = "identity")
>
>
> El 14/04/17 a las 10:08, Axel Urbiz escribi�:
>> Hi,
>>
>> I need to bars to display in order based on the values of "v" within each
>> group "g". Is this possible?
>>
>> library(ggplot2)
>> set.seed(1)
>> df <- expand.grid(g = 1:4, f = factor(c("a", "b", "c")))
>> df <- df[-1, ] # some factors are not present in certain groups
>> df$v <- runif(nrow(df))
>>
>> ggplot(df, aes(x = g, y = v, fill = f)) +
>> geom_bar(position="dodge", stat = "identity")
>>
>> Thanks,
>> Axel.
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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