[R] How to draw plot marks without label?

Paul Murrell p@u| @end|ng |rom @t@t@@uck|@nd@@c@nz
Tue Sep 5 22:40:26 CEST 2023

```Hi

Do you mean like this ... ?

stripchart(df\$Y ~ df\$X,
method = "jitter", offset=1/3,
vertical = TRUE, las=1,
pch=16, cex=2,
ylab="Y", xlab="X",
main="Example",
axes=FALSE)
box()
axis(1)
axis(2, labels=FALSE)
axis(4, labels=FALSE)

Paul

On 6/09/23 07:56, Luigi Marongiu wrote:
> I would like to draw a graph where the y-lables are missing but the
> marks still present.
> In this example, I get marks from 20000 to 140 000 with increments of
> 20 000. I could use `plot(... yaxt="n"...)` combined with `axis(2,
> at..., label="")` but this needs to know exactly the sequence of marks
> provided by plot. But this sequence might change.
>
> Thus is there a way to plot the marks without labels?
> Also, is it possible to draw the marks on the right side?
>
> Thank you.
>
> ```
> y = c(42008, 19076, 150576, 48192, 26153, 37931, 36103, 17692,
> 61538,41027, 71052, 94571)
> df = data.frame(X = c(rep(0, 6), rep(25, 6)), Y = y)
> stripchart(df\$Y ~ df\$X,
> method = "jitter", offset=1/3,
> vertical = TRUE, las=1,
> pch=16, cex=2,
> ylab="Y", xlab="X",
> main="Example")
> ```
>
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> and provide commented, minimal, self-contained, reproducible code.

--
Dr Paul Murrell
Te Kura Tatauranga | Department of Statistics
Waipapa Taumata Rau | The University of Auckland
Private Bag 92019, Auckland 1142, New Zealand
64 9 3737599 x85392
paul using stat.auckland.ac.nz
www.stat.auckland.ac.nz/~paul/

```