How to draw vertical line on drapery plot in R (package meta)?

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Sébastien Buczinski

I'm not used with this type of plot and object and don't know if it's a ggplot object but I suppose you already try :

plot + geom_vline(xintercept=X) #where X is your OR?

Vladislav Chalapa

Dear Sébastien Buczinski ,

Unfortunately, It doesn't work

Sven Greving

Try

abline(v=X)

in a new line following your drapery-function.