Databricks Certified Machine Learning - Associate
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In a machine learning project, you are comparing the performance of two models using cross-validation. Model A has an average cross-validated accuracy of 85% with a standard deviation of 2%, while Model B has an average cross-validated accuracy of 83% with a standard deviation of 3%. Which model would you consider to be more reliable, and why?
Explanation:
When comparing the performance of two models using cross-validation, both the average accuracy and the standard deviation are important factors to consider. Model A has a higher average accuracy, indicating that it performs better on average. Additionally, Model A has a lower standard deviation, which means that its performance is more consistent across different folds. Therefore, Model A would be considered more reliable than Model B.