Hi, R core team

 

I am using the function {aidsEst} in package [micEcon] to do an AIDS
model now.  So far, everything is good.  But I want to test the auto
correlation and heteroskedasticity of the individual equation from AIDS
demand system.  How can I return the individual equation?

 

PS: serial correlation test is {bgtest} in package [lmtest] and
heteroskedasticity is {bptest} in package [lmtest], both of which need
the object of formula.

 

Thank you for your answer.

 

 

Christina


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