Table 3 Prediction results for the fossil sample using the SVM models for both the Biomechanical data from FEA and the Morphometric data obtained using GM.

From: Broad-scale morpho-functional traits of the mandible suggest no hard food adaptation in the hominin lineage

Species/Specimen

Biomechanical data

Morphometric data

Posterior probabilities

Posterior probabilities

Hard-food eater

Soft-food eater

Hard-food eater

Soft-food eater

Au. afarensis

0.324

0.68

0.17

0.83

Au. africanus

0.32

0.68

0.11

0.89

Au. sediba

0.25

0.75

0.17

0.83

Asian H. erectus

0.35

0.65

0.57

0.43

Georgian H. erectus

0.41

0.59

0.12

0.88

H. rudolfensis

0.26

0.74

0.14

0.86

P. boisei

0.09

0.91

0.17

0.83

P. robustus

0.42

0.58

0.27

0.73

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