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Sensitivity and Specificity/Ushahidi
Rekodi ya ushahidi wa mbinu

Sensitivity and Specificity

Sensitivity and specificity are fundamental metrics of diagnostic test accuracy. Sensitivity is the probability that a test correctly identifies a person with the disease (true positive rate: TP / (TP + FN)). Specificity is the probability that a test correctly identifies a person without the disease (true negative rate: TN / (TN + FP)). Every test involves a trade-off: increasing sensitivity (catching all sick people) often reduces specificity (more false alarms). Choice of test threshold depends on the clinical context: screening for serious diseases favors sensitivity; confirming a diagnosis favors specificity.

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Rekodi ya chanzo

Nukuu zimehamishwa kwa uhalisi kutoka kwa rekodi ya chanzo cha mbinu. Hakuna uthibitisho wa kiwango cha dai unaodokezwa kutoka kwao.

Sensitivity and Specificity in Diagnostic Testing and Binary Classification
Rekodi ya mbinu ya kiajenda · process-pipeline / research-statistics
  • Altman, D. G., & Bland, J. M. (1994). Diagnostic tests 1: Sensitivity and specificity. BMJ, 308(6943), 1552. · URL
  • Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861–874. · DOI 10.1016/j.patrec.2005.10.010
  • Metz, C. E. (1978). Basic principles of ROC analysis. Seminars in Nuclear Medicine, 8(4), 283–298. · DOI 10.1016/S0001-2998(78)80014-2
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Same method familyEffect Sizemachine-suggested · Relational suggestion, not evidence.Same method familyNull Hypothesis Testingmachine-suggested · Relational suggestion, not evidence.Same method familyP-Value and Statistical Significancemachine-suggested · Relational suggestion, not evidence.Same method familyType I and Type II Errorsmachine-suggested · Relational suggestion, not evidence.

Hali ya ushahidi

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

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