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Polynomial Regression and the Importance of Cross-Validation (austinrochford.com)
6 points by MidsizeBlowfish on Dec 12, 2013 | hide | past | favorite | 1 comment



I hadn't heard of cross-validation and this was a clear explanation. For that example I would have just used the singular value decomposition since it minimizes the least squares, now I'd definitely use cross-validation.




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