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How can I return multiple objects in an R function? In Java, I would make a Class, maybe Person which has some private variables and encapsulates, maybe, height, age, etc.

But in R, I need to pass around groups of data. For example, how can I make an R function return both a list of characters and an integer?

1 Answer

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by (25.3k points)

In R programming, functions do not return multiple values, however, you can create a list that contains multiple objects that you want a function to return.

For example:

x <- c(3,4,7,9,34,24,5,7,8)

fun = function(x){

  mn = mean(x)

  lt = list(f1=table(x),std=sd(x))

  newlist <- list(lt,mn)

  return(newlist)

}

fun(x)

Output:

[[1]]

[[1]]$f1

x

 3  4  5  7  8  9 24 34 

 1  1  1  2  1  1  1  1 

[[1]]$std

[1] 10.55673

[[2]]

[1] 11.22222

If you wish to learn R Programming visit this R Programming Course by Intellipaat.

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