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Re: Switching regression Problem

Posted: Mon Jan 08, 2018 5:53 pm
by EViews Gareth
Because you don't have a clear understanding of how the estimation works, what the options for estimation are, or how to read the output given by the estimation.

We always recommend users only use features for which they have a good understanding of the underlying theories and/or have read and understood the manual.

Re: Switching regression Problem

Posted: Mon Jan 08, 2018 5:59 pm
by nicotrader
ok, so you're telling me that: even if I always use the same dataset in sample, is it normal for the model to return a different in sample result every time?

Re: Switching regression Problem

Posted: Mon Jan 08, 2018 5:59 pm
by EViews Gareth
If you use random starting values, and your estimation doesn't converge, yes. By definition.

Re: Switching regression Problem

Posted: Mon Jan 08, 2018 6:03 pm
by nicotrader
Because does the model, by construction, use random data regardless of the in sample dataset?

Switching regression Problem

Posted: Mon Jan 08, 2018 6:04 pm
by EViews Gareth
No, you told it to use random starting values.

Re: Switching regression Problem

Posted: Mon Jan 08, 2018 6:09 pm
by nicotrader
Excuse me, what do you mean by random starting values?

Re: Switching regression Problem

Posted: Mon Jan 08, 2018 6:13 pm
by EViews Gareth
EViews Gareth wrote:
We always recommend users only use features for which they have a good understanding of the underlying theories and/or have read and understood the manual.

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 2:59 am
by nicotrader
If I estimate a model and save the equation at this point I can load new dates and use the equation with the guarantee that the coefficients are always the same? So always getting the same result in sample?

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 3:11 am
by nicotrader
If not, how can I set the same starting values for an estimate?
from this window

https://ibb.co/eb8p46

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 9:10 am
by EViews Gareth
nicotrader wrote:If I estimate a model and save the equation at this point I can load new dates and use the equation with the guarantee that the coefficients are always the same? So always getting the same result in sample?


Correct.

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 9:14 am
by EViews Gareth
nicotrader wrote:If not, how can I set the same starting values for an estimate?
from this window

https://ibb.co/eb8p46


Use the same seed to ensure you get the same random numbers.

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 11:34 am
by nicotrader
EViews Gareth wrote:
nicotrader wrote:If I estimate a model and save the equation at this point I can load new dates and use the equation with the guarantee that the coefficients are always the same? So always getting the same result in sample?


Correct.



how can I save the model and consequently the equation and the coefficients?

Re: Switching regression Problem

Posted: Tue Jan 09, 2018 12:19 pm
by EViews Gareth
If you haven't named the equation, hit the Name button.