[R] comma as decimal separator in plots

[Antonio Olinto]

Hi,

Some time ago I asked about how to use comma as decimal separator in plots
and Mr. Paul Murrell wrote:
-------
You could try something with axis() and chartr(), like ...
    par(mfrow=c(2,1))
    plot(1:10/11, rep(1, 10), main="Standard X-Axis")
    plot(1:10/11, rep(1, 10), main="Customised X-Axis", axes=F)
    axis(1, at=pretty(1:10/11),
        labels=chartr(".", ",", as.character(pretty(1:10/11))))
    axis(2)
    box()
-------

This was very useful to me, but in the example:

x <- rnorm(50, mean=2, sd=0.1)
y <- rnorm(50, mean=2, sd=0.2)
plot(x,y)
axis(1,at=pretty(x),labels=chartr(".", ",", as.character(pretty(x))))
axis(2,at=pretty(y),labels=chartr(".", ",", as.character(pretty(y))))

I got an "2" in the middle of  the "2.0". How could I avoid it?

Thanks very much,

Antonio Olinto


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