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Diagnostic test evaluation and comparison
These utilities can be used to evaluate test performance, compare tests or calculate test parameters for a variety of situations.
- Compare two tests
- Using two tests in parallel or series
- Positive and negative predictive values for a test
- Probabilities of numbers of false positives
- Probability of infection in a test-negative sample
- Likelihood ratios and probability of infection in a tested individual
- Estimated true prevalence and predictive values from survey testing
- Test evaluation against a gold standard
- ROC analysis for test with continuous outcome
- Repeatability analysis for test with continuous outcome