Imagine you have a two-dimensional matrix and you need to print each element using nested loops in R. How would you do this?

  • for (i in 1:nrow(matrix)) { for (j in 1:ncol(matrix)) { print(matrix[i, j]) } }
  • for (i in 1:ncol(matrix)) { for (j in 1:nrow(matrix)) { print(matrix[i, j]) } }
  • for (i in matrix) { for (j in matrix) { print(i, j) } }
  • for (i in matrix) { for (j in matrix) { print(matrix[i, j]) } }
To print each element of a two-dimensional matrix using nested loops in R, you can use the following code: for (i in 1:nrow(matrix)) { for (j in 1:ncol(matrix)) { print(matrix[i, j]) } }. It iterates over the rows of the matrix using i and the columns using j, and within each iteration, prints the corresponding element.
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