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Table 1 Summary of ‘Jackknife analysis ’ used to determine importance of each environmental variable

From: Mapping risk of plague in Qinghai-Tibetan Plateau, China

Predictor Data type Unit Test gain Test gain Test AUC Test AUC Percent contribution Permutation importance
(variable alone) (variable excluded) (variable alone) (variable excluded)
Elevation Continuous Metres 0.5668 1.164 0.7848 0.8757 13.3 27.5
LSTd Continuous Centigrade 0.3908 1.1436 0.7435 0.876 24.6 15.2
LSTn Continuous Centigrade 0.5623 1.2989 0.7405 0.9034 30.2 32.2
NDVI Continuous - 0.0159 1.1834 0.5651 0.8829 7.9 14
Slope Continuous Degrees 0.0072 1.4199 0.552 0.9025 6.6 5.2
Aspect Categorical 9 Categories 0.1141 1.441 0.6429 0.9121 11.6 3.5
Land Cover Categorical 22 Categories 0.1086 1.4787 0.6099 0.9118 5.9 2.5