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Check if an Object is a Table in R Programming – is.table() Function

  • Last Updated : 19 Jun, 2020

is.table() function in R Language is used to check if an object is a table.

Syntax: is.table(x)

Parameters:
x: Object to be checked

Example 1:




# R Program to check
# if an object is a table
  
# Creating a vector
vec = c(2, 4, 3, 1, 2, 3, 2, 1, 4, 2
  
# calling is.table() Function
is.table(vec)
  
# Converting to table
x <- as.table(vec)
x
  
# Calling is.table() again
is.table(x)

Output:

[1] FALSE
A B C D E F G H I J 
2 4 3 1 2 3 2 1 4 2 
[1] TRUE

Example 2:




# R Program to convert 
# an object to a table
  
# Creating a matrix
mat = matrix(c(1:9), 3, 3)
  
# Calling is.table() function
is.table(mat)
  
# Converting to table
x <- as.table(mat)
x
  
# Calling is.table() function again
is.table(x)

Output:

[1] FALSE
  A B C
A 1 4 7
B 2 5 8
C 3 6 9
[1] TRUE
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