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Fire Ecology

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).
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