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This is shown in SAS PROC REG as the Test of First and Second Moment Specification.
WhiteTest(rx)
Returns a direct test result by more coomplex theorem 2 , not by simpler corollary 1.
a result of lm
Kyun-Seop Bae k@acr.kr
This is also called as White's general test for heteroskedasticity.
White H. A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity. Econometrica 1980;48(4):817-838.
WhiteTest(lm(mpg ~ disp, mtcars))
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