Table 2 Prediction results of external samples by the human–animal PLSDA model using six latent variables.

From: Discrimination between human and animal blood by attenuated total reflection Fourier transform-infrared spectroscopy

 

Predicted as human (spectral level)

Predicted as animal (spectral level)

Donor-level prediction

Human

50

0

5/5

Cat

0

30

3/3

Dog

0

30

3/3

Rabbit

0

30

3/3

Horse

0

30

3/3

Cow

0

30

3/3

Pig

0

30

3/3

Opossum

0

30

3/3

Raccoon

1

29

3/3

Deer

0

30

3/3

Elk

0

30

3/3

Ferret

0

30

3/3

  1. The table shows results at the spectral level and the donor level (when more than 50% of spectra from one donor are correctly classified).