期刊
ECOLOGICAL MODELLING
卷 358, 期 -, 页码 1-9出版社
ELSEVIER
DOI: 10.1016/j.ecolmodel.2017.05.011
关键词
Bayesian networks; Modeling problems; Modeling solutions; Bias; Machine learning; Expert knowledge
类别
资金
- Scion, New Zealand
Use and popularity of Bayesian network (BN) modeling has greatly expanded in recent years, but many common problems remain. Here, I summarize key problems in BN model construction and interpretation, along with suggested practical solutions. Problems in BN model construction include parameterizing probability values, variable definition, complex network structures, latent and confounding variables, outlier expert judgments, variable correlation, model peer review, tests of calibration and validation, model overfitting, and modeling wicked problems. Problems in BN model interpretation include objective creep, misconstruing variable influence, conflating correlation with causation, conflating proportion and expectation with probability, and using expert opinion. Solutions are offered for each problem and researchers are urged to innovate and share further solutions. Published by Elsevier B.V.
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