Algorithms
X is a NumPy array of shape (n, d) with n != d. You want to convert each column to a z-score (subtract the column mean, divide by the column standard deviation) using one vectorised expression. Which expression does this correctly?
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X is a NumPy array of shape (n, d) with n != d. You want to convert each column to a z-score (subtract the column mean, divide by the column standard deviation) using one vectorised expression. Which expression does this correctly?