在eview上使用white检验异方差得出结果如下,这种算是有异方差吗,可以忽略直接用线性回归,还是用加权直线回归
Heteroskedasticity Test: White
F-statistic 3.006628 Prob. F(1,28) 0.0939
Obs*R-squared 2.909018 Prob. Chi-Square(1) 0.0881
Scaled explained SS 1.813760 Prob. Chi-Square(1) 0.1781
Test Equation:
Dependent Variable: RESID^2
Method: Least Squares
Date: 04/09/15 Time: 23:05
Sample: 1 30
Included observations: 30
Variable Coefficient Std. Error t-Statistic Prob.
C 8.283785 4.287338 1.932151 0.0635
OFC_INSULA_R_DMPFC^2 152.9105 88.18557 1.733963 0.0939
R-squared 0.096967 Mean dependent var 13.69161
Adjusted R-squared 0.064716 S.D. dependent var 16.66139
S.E. of regression 16.11324 Akaike info criterion 8.461500
Sum squared resid 7269.823 Schwarz criterion 8.554913
Log likelihood -124.9225 Hannan-Quinn criter. 8.491384
F-statistic 3.006628 Durbin-Watson stat 1.974817
Prob(F-statistic) 0.093924