Living at the edge: biogeographic patterns of habitat segregation conform to speciation by niche expansion in Anopheles gambiae

Table 4 Evaluation statistics for habitat suitability models

Taxon	Absolute Validation Index	Contrast Validation Index	Continuous Boyce Index
An. arabiensis
Mean	0.55	0.34	0.45
SD	0.16	0.15	0.42
An. gambiae M
Mean	0.53	0.34	0.55
SD	0.14	0.15	0.34
An. gambiae S
Mean	0.51	0.33	0.61
SD	0.12	0.13	0.36

Model evaluation statistics for the habitat suitability maps shown in Figure 3, computed with 10-fold cross-validation. Larger values of the mean indicate greater accuracy. Smaller values of the standard deviation (SD) indicate greater robustness in model predictions.

ISSN: 1472-6785