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...ice 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 [[alternative HTML version deleted]]