Question: In the k-Nearest Neighbors method for classification (e.g., whether a customer should be classified as Default or No Default on a loan), XLMiner reports the

In the k-Nearest Neighbors method for

In the k-Nearest Neighbors method for classification (e.g., whether a customer should be classified as Default or No Default on a loan), XLMiner reports the best k. The best k achieves the smallest __________ on the validation set. O class 0 error rate O root mean squared error O class 1 error rate O overall error rate

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