On 19 Jun 2014, at 15:42, message <[email protected]> wrote:
> Readers,
>
> For data set:
>
> a, 90, 10
> b, 60, 40
> c, ,
> d, , 50
>
> A plot was attempted:
Wonder who attempted this. :-)
>
> dataset<-as.matrix(read.csv("datafile.csv",header=FALSE))
Look at your dataset; I’d say it is clearly not what you want.
> barplot<-(dataset,horiz=TRUE)
>
> A warning message is returned, about NAs introduced by coercion and an
> undesirable graph. The desired output is something similar to:
>
> a ---------*
> b ------****
> c
> d ****
>
> Whereby a legend would be produced to describe '*' and '-'. Any help please?
library(ggplot2)
library(reshape2)
ddd <- read.csv("testdata.csv", header=FALSE)
ggplot(melt(ddd, id.vars="V1"), aes(x=V1, y=value, fill=variable)) +
geom_bar(stat="identity") + coord_flip()
Best,
Bart
>
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