Draw a vertical line

Adds vertical lines in the plot region.

xline(x, ...)

Arguments

x

Values on x axis specifying location of vertical lines.

...

Any ploting options for abline.

See also

yline, abline

Examples

plot( 1:10)
xline( 6.5, col=2)

 
world( col=3) 
yline( seq( -80,80,10),col=4, lty=2)
xline( seq( -180,180,10),col=4,lty=2)
yline( 0, lwd=2, col=4)