[R] Save data as .pdf or .JPG

[khush ........]

Hi all ,

I have following script to plot some data.

plot( c(1,1100), c(0,15), type='n', xlab='', ylab='', ylim=c(0.1,25) ,
las=2)
axis (1, at = seq(0,1100,50), las =2)
axis (2, at = seq(0,25,1), las =2)

lines( c(1,304),c(0,0),col='grey', lwd=3 )
lines( c(1,238),c(1,1),col='grey', lwd=3 )

segments(86, 0    ,270,col = "green", pch=23, cex="9", lty="solid",
lwd=14,lend=2)
segments(74,1    ,238,col = "green", pch=23, cex="9", lty="solid",
lwd=14,lend=2)

When I source("script.R"), I got the image on interface but I do not want to
use screenshot option to save the image? How can save the output to .pdf or
.jpg format?

Thanks in advance

Thank you
Khushwant

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