stat_vlinestat_vline(mapping=NULL, data=NULL, geom="vline", position="identity", intercept, ...)
Add a vertical line
This page describes stat_vline, see layer and qplot for how to create a complete plot from individual components.
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Parameters control the appearance of the stat. In addition to the parameters listed below (if any), any aesthetic can be used as a parameter, in which case it will override any aesthetic mapping.
xintercept: NULLintercept: NULL...: ignored This function returns a layer object.
> NULL
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