Species analysis
Statistical exploration
Classification trees
Variables
Brown-headed Cowbird
Widespread. Absent mainly from hexagons having more than 2% true
fir - mountain hemlock montane forest. The logistic regression analysis
showed positive or negative association with agricultural lands, and-
to a lesser degree-ponderosa pine forest, big sagebrush shrubland,
towns and cities, topographic variation, and the extent of public land.
Classification trees
Hexagons: using ONHP land cover classification (accuracy score: 94.65)
Squares: using ONHP land cover classification (accuracy score: 74.22)
Hexagons: using AVHRR land cover classification (accuracy score: 96.05)
