Remove names or dimnames from an Object in R Programming – unname() Function

unname() function in R Language is used to remove the names or dimnames from an Object.

Syntax: unname(x)

Parameters:
x: Object

Example 1:

# R Program to remove names from an object
# Creating a matrix
A = matrix(c(1:9), 3, 3)

# Naming rows
rownames(A) = c("a", "b", "c")

# Naming columns
colnames(A) = c("c", "d", "e")

print(A)

# Removing names using unname() function
unname(A)

Output:

  c d e
a 1 4 7
b 2 5 8
c 3 6 9
     [, 1] [, 2] [, 3]
[1, ]    1    4    7
[2, ]    2    5    8
[3, ]    3    6    9

Example 2:

# R Program to remove names from an object

# Calling pre-defined data set
BOD

# Removing names using unname() function
unname(BOD)

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
        
1 1  8.3
2 2 10.3
3 3 19.0
4 4 16.0
5 5 15.6
6 7 19.8