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Table 2 Predictive ability of fire variables used in logistic regression model to test for purple threeawn mortality.

From: Fire Effects on Basal Area, Tiller Production, and Mortality of the C4 Bunchgrass, Purple Threeawn

Predictor variable Model information
C-statistica H-L testb χ2
Heat dosage (°C·s) 0.69 0.47 0.04
Heat duration (s >60 °C) 0.65 0.92 0.02
Maximum temperature (°C) 0.55 ≤0.01 0.54
  1. a C-statistic is the predictive ability of the model.
  2. b Hosmer-Lemeshow goodness of fit test (higher value = better fit).