初始回归

N = 30 F(7, 22) = 5578.07 Prob > F = 0.0000 R-squared = 0.9994 调整后系数 = 0.9993

tax

Coef.

Stad. Err.

t

P > |t|

95% CI下限

95% CI上限

gdp

0.233621

0.2116701

1.10

0.282

−0.2053559

0.6725978

gnp

−0.1353784

0.2159809

−0.63

0.537

−0.5832955

0.3125386

pfe

0.4302264

0.1126099

3.82

0.001

0.1966877

0.6637651

trs

−0.2479198

0.0975671

−2.54

0.019

−0.4502616

−0.0455781

tfa

0 .0845017

0.0136445

6.19

0.000

0.0562047

0.1127987

ms

−0.0229926

0.0185331

−1.24

0.228

−0.061428

0.0154428

imp

0.0791167

0.0223035

3.55

0.002

0.0328619

0.1253714

cons

430.93

846.9335

0.51

0.616

−1325.503

2187.362