Hi, I am a novice in R. It will be greatly appreciated if someone
can advise me with the following questions.

1) How to highlight reference range in forest plot? For example, if 1.5-2
is the reference range, I would like to have all the area between 1.5-2 to
be highlighted (such as in grey color).

2) If I have handunds of objects, how to set the output plot to multiple
columns? For example, I have 500 objects included, and I want to have
objects 1-100 to the left (column #1), 101-200 in column#2 (next to
column#1)...etc, ect, how to do it?

Thank you very much!

Mindy

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