How would you find the max or min value in each column or row of a matrix or data frame in R?

Use the apply() function with the appropriate margin argument
Use the max() or min() function with the appropriate argument
Use the colMax() or rowMax() function for matrices
Use the max.col() or min.col() function for data frames

To find the max or min value in each column or row of a matrix or data frame in R, you can use the apply() function. By specifying the appropriate margin argument (1 for rows, 2 for columns), you can apply the max() or min() function across the specified dimension.

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