. gen distincome=dist*incomehi

. gen distance2income=incomehi*dist*dist

. reg ed dist dist2 dadmom distincome distance2income female bytest tuition black hispanic incomehi ownhome dadcoll momcoll cue80 stwmf
> g80, robust
test dist dist2

( 1)  dist = 0
( 2)  dist2 = 0

       F(  2,  3779) =    8.35
            Prob > F =    0.0002

. local F5 =r(F)

. test distincome distance2income

( 1)  distincome = 0
( 2)  distance2income = 0

       F(  2,  3779) =    2.34
            Prob > F =    0.0966

. est store model5

. outreg2 [model5] using "H:\计量经济学数据集\chapter8_3.word", append ctitle(ED) addstat(dist and dist2,F5,distincome and distance2inc
> ome,r(F),SER,e(rmse),R2,e(r2_a))
F5 not found
r(111);