row() function in R Language is used to get the row number of a matrix.
Syntax: row(x, as.factor=FALSE)
Parameters:
x: matrix
as.factor: a logical value indicating whether the value should be returned as a factor of column labels (created if necessary) rather than as numbers
Example 1:
# R program to illustrate # row function # Initializing a matrix with # 2 rows and 2 columns x <- matrix(c(1, 2, 3, 4), 2, 2) # Getting the matrix representation x # Calling the row() function row(x) |
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Output:
$Rscript main.r
[, 1] [, 2]
[1, ] 1 3
[2, ] 2 4
[, 1] [, 2]
[1, ] 1 1
[2, ] 2 2
Example 2:
# R program to illustrate # row function # Initializing a matrix with # 3 rows and 3 columns x <- matrix(rep(1:12), 3, 3) # Getting the matrix representation x # Calling the row() function row(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 1 1
[2, ] 2 2 2
[3, ] 3 3 3
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