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Fig. 4 | BMC Biology

Fig. 4

From: Rapid identification of species, sex and maturity by mass spectrometric analysis of animal faeces

Fig. 4

REIMS species classification accuracy for wild rodents. REIMS data were collected for faecal pellets from wild-caught rodents (28–80 individuals per species). House mice were captive-bred but maintained on one of four different diets. a Discriminant function analysis based on the top 12 principal components for classification of bank voles (BV, orange points), field voles (FV, green points), house mice (HM, purple points), wood mice (WM, blue points) and Norway rats (R, red points). b Random forest confusion matrix for the classification of species. c The intensity values of the five most discriminant ion bins in the mass spectra

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