[R] A question about using function plot

[Henrique Dallazuanna]

Try:

library(lattice)
xyplot(y ~ factor(x))

or

plot(1:length(x), y, xaxt='n')
axis(1, at=1:length(x), labels=x)



On Mon, Jul 14, 2008 at 12:00 PM, Jason Liao <jg_liao at yahoo.com> wrote:
> Hello, everyone! I have spent two hours to get what I wanted in a simple situation and have not been successful. The set up is extremely simple
>
> x = c(1,2,4,8)
> y = c(1,2,3,4)
> plot(x, y)
>
> What I need, however, is for the 4 points of 1,2,4,8 to be spaced evenly, not by their numerical scale. Also, there should not be any other values such as 5,6,7 marked on the axis.
>
> So I tried the following
>
>
> x = c("1","2","4","8")
> y = c(1,2,3,4)
> plot(x, y)
>
> No help at all.
>
> Anyone can point me to the right way? Thank you very much.
>
> Jason
>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O