用stata做mixlogit回归,求助

如题所述

第1个回答  2016-05-04
local temp="y x1 x2 x3" tempname crossYX crossX crossY b quietly matrix accum `crossYX' = `temp' matrix `crossX' = `crossYX'[2,2] matrix `crossY' = `crossYX'[2,1] matrix `b' = syminv(`crossX') * `crossY' matrix list `b'