Comparing classification models-a practical tutorial

W. Patrick Walters

doi:10.1007/s10822-021-00417-2

Comparing classification models-a practical tutorial

2021-09-22

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W. Patrick Walters *

DOI：10.1007/s10822-021-00417-2

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While machine learning models have become a mainstay in Cheminformatics, the field has yet to agree on standards for model evaluation and comparison. In many cases, authors compare methods by performing multiple folds of cross-validation and reporting the mean value for an evaluation metric such as the area under the receiver operating characteristic. These comparisons of mean values often lack statistical rigor and can lead to inaccurate conclusions. In the interest of encouraging best practices, this tutorial provides an example of how multiple methods can be compared in a statistically rigorous fashion.

Keywords:

QSAR

Classification model

Statistical validation

Machine learning

Tutorial

Comparing classification models-a practical tutorial

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