题目:在考虑了遗漏变量问题和异方差问题之后对上述理论进行检验,并解释检验结果的统计含义和经济含义我输入:reg leverage profit lna q,r test profit lna q 这样对不对?分析结果如下:
. reg leverage profit lna q,r
Linear regression Number of obs = 10122
F( 3, 10118) = 733.34
Prob > F = 0.0000
R-squared = 0.2281
Root MSE = .19404
Robust
leverage Coef. Std. Err. t P>t [95% Conf. Interval]
profit -.6084287 .1188448 -5.12 0.000 -.8413882 -.3754692
lna .0778169 .001822 42.71 0.000 .0742454 .0813884
q .0097862 .00172395 .68 0.00 .0064069 .0131655
_cons -1.219385 .0386169 -31.58 0.000 -1.295082 -1.143688
. test profit lna q
( 1) profit = 0
( 2) lna = 0
( 3) q = 0
F( 3, 10118) = 733.34
Prob > F = 0.0000
该怎样分析?请不吝赐教!谢谢!