Add a dotted line labelled a specific point
ggla_labelline( x1 = NULL, x2 = NULL, y1 = NULL, y2 = NULL, gla_theme = "default" )
x1 | starting x-value, not needed for lines perpendicular to x-axis, Default: NULL |
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x2 | final x-value, only needed lines which aren't perpendicular or parallel to axis, Default: NULL |
y1 | starting y-value, not needed for lines perpendicular to y-axis, Default: NULL |
y2 | final y-value, only needed lines which aren't perpendicular or parallel to axis, Default: NULL |
gla_theme | Either "default" or "inverse", Default: 'default' |