Help using Base SAS procedures

Heteroscedasticity Test

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Heteroscedasticity Test

Hi there,

Anyone can guide me how can I do the heteroscedasticity test, I don’t want to use the Proc Reg procedure as, I already have the model.

i.e.:

I have the model suppose Y = 1.2 + 0.25 * X. By running this model I can generate the expected Y series and comparing it to actual Y; which can give me the Residuals.

So I have these residuals and based on this I want to do the heteroscedasticity test.

Thanks,

KP

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