xline: Draw a vertical line

Description Usage Arguments See Also Examples

Description

Adds vertical lines in the plot region.

Usage

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xline(x, ...)

Arguments

x

Values on x axis specifying location of vertical lines.

...

Any ploting options for abline.

See Also

yline, abline

Examples

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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)


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