Method
precision = TP/(TP+FP); recall = TP/(TP+FN); F1 = harmonic mean.
Calculate classification metrics from TP, FP and FN.
precision = TP/(TP+FP); recall = TP/(TP+FN); F1 = harmonic mean.
Use the result as a transparent planning estimate. Change one assumption at a time, compare scenarios and move to Toolkit when you need system-level simulation.
Does not capture asymmetric costs or calibration by itself.
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