[R] How to add values on bar of groouped bar plot using mtext?

[Uwe Ligges]

On 11.08.2012 04:55, Manish Gupta wrote:
> How to write values on bars using mtext?
>
> Grouped Bar Plot
> counts <- table(mtcars$vs, mtcars$gear) barplot(counts, main="Car
> Distribution by Gears and VS",xlab="Number of Gears",
> col=c("darkblue","red"),legend = rownames(counts), beside=TRUE, horiz=TRUE)
>
> mtext(counts ) # But poistion is not at each bar.
>
> How can i put corresponsing values on each bars of  plot?

Look at the output of barplot, it returns the locations:

bp <- barplot(counts, main = "Car Distribution by Gears and VS",
         xlab = "Number of Gears", col = c("darkblue", "red"),
         legend = rownames(counts), beside = TRUE, horiz = TRUE)
bp
mtext(side = 2, at = bp, text = counts)



Uwe Ligges





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