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Minimum standards for evaluating machine-learned models of high-dimensional data.

Brian H Chen1,2

  • 1FOXO Technologies Inc, Minneapolis, MN, United States.

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|September 30, 2022
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Summary
This summary is machine-generated.

Rigorous validation is crucial for machine learning predictive models, especially with high-dimensional data. Independent validation of algorithmic biomarkers ensures reliable model selection and scientific reproducibility.

Keywords:
DNA methylationagingepigenetic clockepigeneticsmachine learningomicsreproducibilityvalidation

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Area of Science:

  • Biomedical informatics
  • Machine learning
  • Genomics

Background:

  • Machine learning models, including epigenetic clocks, are increasingly used for prediction with high-dimensional data.
  • High-dimensional data (large p, small n) presents challenges like overfitting for these models.

Purpose of the Study:

  • To advocate for mandatory independent validation of algorithmic biomarkers.
  • To enhance the reliability and reproducibility of machine learning models in science.

Main Methods:

  • The study emphasizes the need for independent validation protocols.
  • It highlights the importance of reproducibility in machine learning model development.

Main Results:

  • Overfitting is a significant risk in machine learning models trained on limited, high-dimensional datasets.
  • Independent validation can efficiently identify robust prediction and classification models.

Conclusions:

  • Implementing independent validation is essential for the credible development of algorithmic biomarkers.
  • Greater scientific rigor is needed for newly developed predictive and classification models.