grid |
An integer value specifying the output of multiple plots.
By default (1 ) a list of ggplot objects will be returned.
If a grid value > 1 was specified, a grid plot will be returned
if the number of plots is <= specified grid value;
a list of ggplot objects will be returned otherwise.
If grid = 0 is specified, all plots will be created using print command
and a list of ggplot objects will be returned invisible.
Note that one of the following packages must be installed to create a grid plot:
'ggpubr', 'gridExtra', or 'cowplot'.
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