Overview
Pamela M. Vacek is a biostatistician (University of Vermont), working in diagnostic-test evaluation and cancer/medical biostatistics.
Key Contributions / Features
- Conditional dependence in diagnostic testing (Vacek 1985): showed that violating the conditional-independence assumption in the Hui-Walter no-gold-standard framework causes substantial underestimation of both tests' error rates and biased prevalence estimates.
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