yline: Draw horizontal lines

Description

Adds horizontal lines in the plot region.

Usage

1
yline(y, ...)

Arguments

y

Values on y axis specifying location of vertical lines.

...

Any ploting options for abline.

See Also

xline, abline

Examples

1
2
3
4
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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