Search found 5 matches

by yenming
Thu Aug 11, 2016 6:44 pm
Forum: Estimation
Topic: GARCH(1,1) without constant in variance regressor
Replies: 0
Views: 2223

GARCH(1,1) without constant in variance regressor

I know that EViews can not drop the constant term in the variance equation.
Is there any reasons or the restrictions of the model such that the built in estimation method does not have this function?
Thanks for help.
by yenming
Mon Jun 27, 2016 6:27 pm
Forum: Programming
Topic: How to get AR coefficient from an ARMA(m,n) model
Replies: 3
Views: 3438

Re: How to get AR coefficient from an ARMA(m,n) model

If I want get the coef of the garch term, how can I find n to use eq1.@coef(n)?
Should I use n=eq1.@ncoef?
by yenming
Mon Jun 27, 2016 4:53 pm
Forum: Programming
Topic: How to get AR coefficient from an ARMA(m,n) model
Replies: 3
Views: 3438

How to get AR coefficient from an ARMA(m,n) model

If I set a maximum of AR and MA term, like MaxAR=3 MaxMA=2. I want to test all the possible combination of ARMA model. For example: equation eq1.ARCH(thrsh=1,DERIV=AA) eq AR(1) MA(1) equation eq2.ARCH(thrsh=1,DERIV=AA) eq AR(2) MA(1) equation eq3.ARCH(thrsh=1,DERIV=AA) eq AR(3) MA(1) equation eq4.AR...
by yenming
Mon Jun 27, 2016 4:04 pm
Forum: Programming
Topic: How to get the p-value of arch lm test?
Replies: 2
Views: 3229

Re: How to get the p-value of arch lm test?

Thanks a lot.
by yenming
Mon Jun 27, 2016 8:36 am
Forum: Programming
Topic: How to get the p-value of arch lm test?
Replies: 2
Views: 3229

How to get the p-value of arch lm test?

I want to use the p-value of the arch lm test to choose the model.

I know how to conduct arch lm test,
the code is as following: (using eviews 6)

equation eqarma11.ARCH(thrsh=1,DERIV=AA) eq AR(1) MA(1)
eqarma11.archtest(6)

But how should I get the Prob. Chi-Square(6)?

Thanks for help.

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