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. 2021 Mar 12;93(11):4850–4858. doi: 10.1021/acs.analchem.0c04555

Table 5. Prediction Performance of OPLS-DA and RF Classification Models for Chlorination Methods in Spiked Matrices (M2matrix)a.

  predicted class
  OPLS-DA RF
true class R1, 4, 7 R2, 5, 8 R3, 6, 9 no class R1, 4, 7 R2, 5, 8 R3, 6, 9
R1, 4, 7 9a     1 9a 1  
R2, 5, 8 1 7a   3 1 10a  
R3, 6, 9 1   4a 7 8   4a
a

Number of correct predictions.