Unpacking a list inside a function in R

Asked Feb 04 '20 at 19:07

Active Feb 04 '20 at 19:21

Viewed 66 times

I have 4 ggplot objects in a list called main_type_plots and I want to combine them with ggarrange. I have the following piece of code which works fine:

ggarrange(main_type_plots[[1]],
          main_type_plots[[2]], 
          main_type_plots[[3]], 
          main_type_plots[[4]], 
          ncol = 2, nrow = 2)

but looks absolutely terrible...

I was wondering if there is a trick that makes it look prettier?

Thanks to @markus and @Brian, you can do either:

patchwork::wrap_plots(main_type_plots, ncol = 2, nrow = 2)

ggarrange(plotlist = main_type_plots)

edited Feb 04 '20 at 19:21

asked Feb 04 '20 at 19:07

eonurk

1

Have you tried `do.call(ggarrange, c(list(main_type_plots), list(ncol = 2, nrow = 2)))` ? – teunbrand Feb 04 '20 at 19:08
Yes, it says: `cannot convert object of class list into a grob.` – eonurk Feb 04 '20 at 19:11
1

Try `patchwork::wrap_plots(main_type_plots)` – markus Feb 04 '20 at 19:14
1

?ggarrange will show you the optional argument `plotlist =`, where you can pass in your list `main_type_plots`. – Brian Feb 04 '20 at 19:15

Unpacking a list inside a function in R

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