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Table 3 2 × 2 contingency matrix for Ames mutagenicity classification

From: Development of a new quantitative structure–activity relationship model for predicting Ames mutagenicity of food flavor chemicals using StarDrop™ auto-Modeller™

   QSAR prediction  
Ames test result   positive negative
positive true positive (TP) false negative (FN)
negative false positve (FP) true negative (TN)