Table 2

Chi-square statistics from the logistic regression analysis

Variables

χ2

P


Highest temperature

1.6651 × 10-9

1

Lowest temperature

9.7577 × 10-7

0.9992

Summer precipitation

2.9000 × 10-8

0.9999

Winter precipitation

34.7674

< 0.0001


Degrees of freedom was 1 for all variables.

Kameda and Kato BMC Evolutionary Biology 2011 11:118   doi:10.1186/1471-2148-11-118

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