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Table 5 Correlations between the predicted and observed means as well as the predicted observed variance with the different models

From: Genetic heteroscedastic models for ordinal traits: application to sheep litter size

Model

Predicted mean versus observed mean

Predicted variance versus observed variance

TM

0.80

0.21

HTM’

0.79

0.61

ITM

0.78

0.59

  1. TM threshold model, HTM’ homothetic threshold model, ITM independent threshold model