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Convert an Object to List in R Programming – as.list() Function
  • Last Updated : 10 Jun, 2020

as.list() function in R Language is used to convert an object to list. These objects can be Vectors, Matrices, Factors, and data frames.

Syntax: as.list(object)

Parameters:
object: Vector, Matrix, factor, or data frame

Example 1:

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# R program to convert object to list
  
# Creating vector
x <- c(1, 2, 3, 4, 5)
  
# Calling as.list() Function
as.list(x)

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Output:


[[1]]
[1] 1

[[2]]
[1] 2

[[3]]
[1] 3

[[4]]
[1] 4

[[5]]
[1] 5

Example 2:

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# R program to convert object to list
  
# Calling pre-defined data set
BOD
  
# Calling as.list() Function
as.list(BOD)

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Output:

  Time demand
1    1    8.3
2    2   10.3
3    3   19.0
4    4   16.0
5    5   15.6
6    7   19.8
$Time
[1] 1 2 3 4 5 7

$demand
[1]  8.3 10.3 19.0 16.0 15.6 19.8

attr(, "reference")
[1] "A1.4, p. 270"
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