CODEWITHSUNDEEP
rggplot2ggpubr
shsh
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Reputation: 727

How To Write Code Repetitive Multiple Plots Inside ggarrange in R

Is there a way to write code efficiently for a repetitive code inside a ggarrange ? My current code looks ugly and time consuming as I have to type from z1 all the way up to z16.

ggarrange(z1, z2, z3, z4, z5, z6, z7, z8, z9, z10, z11, z12, z13, z14, z15, z16, nrow = 4, ncol = 4, labels = c(1:16))

I tried:

combined = noquote(paste0("z", 1:16))

ggarrange(combined, nrow = 4, ncol = 4, labels = c(1:16))

Warning message:
In as_grob.default(plot) :
  Cannot convert object of class noquote into a grob.

Upvotes: 0

Views: 200

Answers (1)

MrFlick
MrFlick

Reputation: 206486

How did you wind up with those 16 different variables in the first place? It would be easier to work with in R if you had those related values in a list. Variables with indexes in their names as a sign you probably aren't doing things in a very R-like way.

We can "fix" the problem by using mget() to put them all in a list. Then we can pass that list to the plotlist= parameter of ggarrange. For example

combined <- mget(paste0("z", 1:16))
ggarrange(plotlist=combined, nrow = 4, ncol = 4, labels = 1:16)

Using noquote() doesn't turn strings into variables. It's just a purely cosmetic function in that it requests the console to suppress the quotes when printing the values.

Upvotes: 2

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