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sasLM (version 0.10.5)

WhiteTest: White's Model Specification Test

Description

This is shown in SAS PROC REG as the Test of First and Second Moment Specification.

Usage

WhiteTest(rx)

Value

Returns a direct test result by more coomplex theorem 2 , not by simpler corollary 1.

Arguments

rx

a result of lm

Author

Kyun-Seop Bae k@acr.kr

Details

This is also called as White's general test for heteroskedasticity.

References

White H. A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity. Econometrica 1980;48(4):817-838.

Examples

Run this code
  WhiteTest(lm(mpg ~ disp, mtcars))

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