Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 28, Issue 5, Pages 605-607Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v28.i5.605
Keywords
Machine learning; Over-fitting; Cross-validation; Hyper-parameter tuning
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Machine learning models may be better than traditional statistical regression algorithms in predicting clinical outcomes. Proper validation and tuning of these models are necessary to improve their performance and generalizability.
Machine learning models may outperform traditional statistical regression algorithms for predicting clinical outcomes. Proper validation of building such models and tuning their underlying algorithms is necessary to avoid over-fitting and poor generalizability, which smaller datasets can be more prone to. In an effort to educate readers interested in artificial intelligence and model-building based on machine-learning algorithms, we outline important details on cross-validation techniques that can enhance the performance and generalizability of such models.
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