ScholarGate
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MCDMClassification Metric

Præcision

Præcision måler andelen af positive forudsigelser, der rent faktisk var korrekte. Den besvarer spørgsmålet: 'Af alle de tilfælde, vi forudsagde som positive, hvor mange var reelt positive?' Præcision er kritisk i scenarier, hvor falske positiver er dyre.

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Kilder

  1. Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI: 10.1016/j.patrec.2005.10.010
  2. Powers, D. M. (2011). Evaluation: From Precision, Recall and F-Measure to ROC, Informedness, Markedness and Correlation. Journal of Machine Learning Technologies, 2(1), 37-63. link

Sådan citerer du denne side

ScholarGate. (2026, June 3). Precision (Positive Predictive Value). ScholarGate. https://scholargate.app/da/model-evaluation/precision

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Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.

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Refereret af

ScholarGatePrecision (Precision (Positive Predictive Value)). Hentet 2026-06-15 fra https://scholargate.app/da/model-evaluation/precision · Datasæt: https://doi.org/10.5281/zenodo.20539026