In R, to access the first element of the first row of a matrix named mymatrix, you would use ______.
- mymatrix[1, 1]
- mymatrix[1]
- mymatrix[[1, 1]]
- mymatrix[[1]]
In R, to access the first element of the first row of a matrix named mymatrix, you would use mymatrix[1, 1]. The square brackets [] are used to extract elements from a matrix by specifying the row and column indices.
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