(1) estat vif variance inflation factors for the independent variables
方差膨胀因子是一个估计后命令
(2) collin varlist [if exp] [in range] [, corr rinv]
Examples --------
. collin read write math . collin read write math, raw rinv . collin read write math if gender==1
eblog 金币 +3 金钱 +50 奖励 2009-4-23 21:00:30