f_refline

Add and modify the reference line in forest (f) items of a forest plot object (fobj). Passed to lines.

f_refline(fobj, item = NULL, ...)

Arguments

fobj

a forest plot object of class 'fobj'

item

item to be modified, either a number or the name of the column in fobj$dat. If NULL (the default), all items of type 'f' are affected

...

options to be passed to lines

Value

a forest plot object of class 'fobj'

Examples

fobj<-genfobj(layout = c("t","t","t","t","t","t","f","t"),
  dat = forplotdata, lwidths = c(0.8,0.4,0.6,0.4,0.6,1,1,0.5))
fobj<-f_refline(fobj = fobj, x = c(0,0))
plotfobj(fobj)