期刊
EXPERT OPINION ON DRUG DISCOVERY
卷 2, 期 12, 页码 1567-1577出版社
TAYLOR & FRANCIS LTD
DOI: 10.1517/17460441.2.12.1567
关键词
applicability domain; cross-validation; external validation; internal validation; QSAR; validation
The success of any quantitative structure-activity relationship model depends on the accuracy of the input data, selection of appropriate descriptors and statistical tools and, most importantly, the validation of the developed model. Validation is the process by which the reliability and relevance of a procedure are established for a specific purpose. This review focuses on the importance of validation of quantitative structure-activity relationship models and different methods of validation. Some important issues, such as internal versus external validation, method of selection of training set compounds and training set size, applicability domain, variable selection and suitable parameters to indicate external predictivity, are also discussed.
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