Get Transpose of a Matrix or Data Frame in R Programming – t() Function

t() function in R Language is used to calculate transpose of a matrix or Data Frame.

Syntax: t(x)

Parameters:
x: matrix or data frame

Example 1:

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# R program to illustrate
# t function
   
# Getting R Biochemical Oxygen Demand Dataset
BOD 
   
# Calling t() function
t(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

       [, 1] [, 2] [, 3] [, 4] [, 5] [, 6]
Time    1.0  2.0    3    4  5.0  7.0
demand  8.3 10.3   19   16 15.6 19.8

Example 2:

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# R program to illustrate
# t function
   
# Initializing a matrix with 
# 3 row and 3 columns
x <- matrix(1:9, 3, 3)
x
   
# Calling t() function
t(x)

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Output:

     [, 1] [, 2] [, 3]
[1, ]    1    4    7
[2, ]    2    5    8
[3, ]    3    6    9

     [, 1] [, 2] [, 3]
[1, ]    1    2    3
[2, ]    4    5    6
[3, ]    7    8    9
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