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Table 5 Classification error rates obtained by validation of supervised learning classifier tools (BLR and PLS-DA)

From: Escherichia coli phylogenetic group determination and its application in the identification of the major animal source of fecal contamination

E. coli strains sources

Classifier tool

Overall cross-validation error rate

Overall test error rate

Humans and non-humans

BLR

22.50%

24.93%

 

PLS-DA

25.33%

27.53%

Humans and non-humans mammals

BLR

22.09%

22.03%

 

PLS-DA

22.09%

22.75%

Omnivorous and herbivorous mammals

BLR

16.57%

16.67%

 

PLS-DA

18%

17.39%

  1. The classification was carried out between human and animal samples, between humans and non-humans mammals and between omnivorous and herbivorous mammals