Cutoff Finder – Optimal Binary Predictor Cutpoint

Settings

Upload CSV Data

📂

Click to browse or drag & drop

CSV files only

✓

File must have columns x (continuous predictor) and y (binary outcome: 0 or 1, where 1 = event).

Bootstrap Samples

500

More samples = tighter confidence intervals but slower computation.

Bootstrap progress 0%

Method

The optimal cutpoint maximises Sensitivity + Specificity (Youden's J index). Bootstrap resampling estimates the sampling distribution of this cutpoint.

Upload a CSV file and click Calculate to begin.