Youden's J Statistic Calculator

Calculate Youden's Index to evaluate the performance of a binary classifier.

Confusion Matrix

Condition Positive

True Positives (TP)

False Negatives (FN)

Condition Negative

True Negatives (TN)

False Positives (FP)

Test Performance

Youden's Index (J)

0.7000

Range: [-1, 1]. Best: 1. Random: 0.

Sensitivity (TPR)90.00%

Specificity (TNR)80.00%

About this calculator

Overview

Youden's J statistic (or Youden's index) captures the performance of a dichotomous diagnostic test. J = Sensitivity + Specificity - 1.

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