This function used to create legends for the forest plot.
legend_grob(
name = "",
label,
position = c("right", "top", "bottom"),
hgap = unit(0.1, "lines"),
vgap = unit(0.5, "lines"),
pch = 15,
ncol = 1,
gp = gpar(lty = 1, col = "black", fill = "black", fontsize = 12, fontfamily = ""),
byrow = TRUE,
...
)A frame grob
Character string, Legend name.
legend labels (expressions).
Position of the legend, "right", "top",
"bottom".
Horizontal gap between the legend entries,
see legendGrob for details.
Vertical gap between the legend entries,
see legendGrob for details.
Legend symbol.
integer; the number of columns
Graphical parameters.
logical indicating whether rows of the legend are filled first.
Other parameters, not used currently.