Could be few things but we probably need some sample data to get a feeling for
what you are doing.
The easiest way to supply data is to use the dput() function. Example with
your file named "testfile":
dput(testfile)
Then copy the output and paste into your email. For large data sets, you can
just supply a representative sample. Usually,
dput(head(testfile, 100)) will be sufficient.
John Kane
Kingston ON Canada
> -----Original Message-----
> From: kay.lue...@uni-rostock.de
> Sent: Mon, 12 Nov 2012 09:01:40 -0800 (PST)
> To: r-help@r-project.org
> Subject: [R] order in stacked barplot
>
> Hello
> i did a stacked barplot using ggplot and R arranged the bars of the items
> in
> different orders. i don´t know why. but i want to have the same order in
> every stacked bar.
>
> I used the code
>
> data1 <- read.table("N_O_W_MAI.txt", header=TRUE, dec = ",")
> attach(data1)
> Teich1<-factor(Teich,levels=c(5,7,9,11,"G") ,ordered=is.ordered(Teich))
> Gruppe1<-factor(Gruppe,levels=c("Annelida","Cladocera","Copepoda",
> "Diptera","Ephemeroptera","Ostracoda","Sonstige"),ordered=is.ordered(Gruppe))
> data2<-data.frame(Teich1,Gruppe,Herkunft,IRI)
> data2
>> str(data2)
> 'data.frame': 65 obs. of 3 variables:
> $ Teich1: Factor w/ 5 levels "2","4","8","10",..: 1 1 1 1 1 1 1 1 1 1
> ...
> $ Gruppe1: Factor w/ 7 levels "Annelida","Asellus",..: 1 2 3 4 5 6 7 1 2
> 3
> ...
> $ IRI : num 0.606 16.274 0.326 0.396 0 ...
> attach(data2)
> #?data.frame
> str(data2)
> library(ggplot2)
>
> ggplot(data2, aes(Teich1,IRI, fill=Gruppe1)) +
> geom_bar(stat="summary", fun.y="sum") +
> facet_grid(~Herkunft)
>
> So i get a plot with stacked bars for every "Teich1"(Pond), the stacks
> show
> the summed proportion ("IRI") of the diffrent species ("Gruppe1") in
> every
> pond. Every species has a discret colour, but the order of species is
> displayed different for the ponds. In the original data they have the
> same
> order for every pond. This is what i want to have for the stacked
> barplot,
> too.
> Has anybody an idea?
> thanks
> Kay
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/order-in-stacked-barplot-tp4649321.html
> Sent from the R help mailing list archive at Nabble.com.
>
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