[R] easy graphics question

Sundar Dorai-Raj sundar.dorai-raj at pdf.com
Sun Jan 5 01:39:02 CET 2003


Myriam,
Here's a simple script that lists the pch symbols:

plot(x=0,type="n",xlim=c(0,1),ylim=c(0,1))
for(i in 1:100) {
   j = i - 1
   x = j%%10/10
   y = j%/%10/10
   cat("(",x,",",y,",",i,")\n")
   points(x,y,pch=i)
}

No arrow that I see. Look up ?arrows instead.

 > version
          _
platform i386-pc-mingw32
arch     i386
os       mingw32
system   i386, mingw32
status
major    1
minor    6.1
year     2002
month    11
day      01
language R

Regards,
Sundar

Myriam Abramson wrote:
> What's the pch code for drawing an arrow in a plot? 
> 
>                                    myriam
> 
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