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calculate random effects

Posted: Fri Jun 02, 2017 4:36 am
by Gude
I am looking to guidance on how the random effects (cross-section, time/balanced, unbalanced) are calculated. I do not mean the model coefficients but the random effects avaiable via View -> Fixed/Random Effects.

I did not find anything in the user's guide nor in text books.

Re: calculate random effects

Posted: Fri Jun 02, 2017 5:51 pm
by EViews Glenn
It's based on the literature from the BLUP (Best Linear Unbiased Predictor) of the component effects. See, for example,
Goldberger (1962) or Baltagi (2001, Econometric Analysis of Panel Data).

Re: calculate random effects

Posted: Sun Jun 04, 2017 10:52 am
by sansa
Is there any legal version of this books online?

Re: calculate random effects

Posted: Wed Jun 07, 2017 6:18 am
by Gude
Thank you, Glenn.
Is there any guidance in simpler terms available?

Re: calculate random effects

Posted: Fri Jun 09, 2017 7:43 am
by Gude
Btw: The "Representations" (View -> Representations) seem a little odd:
Under "Substituted Coefficients", it is suggested to add the random effects to get the fitted values. But one gets the fitted values without adding the random effects. (Note: this is different in the fixed effect setting where one would indeed need to add the fixed effects)

Here is an example for the Grunfeld data in a one-way cross-section RE model:
Substituted Coefficients:
=========================
INV = -57.8460462503 + 0.109783684775*VALUE + 0.308110054652*CAPITAL + [CX=R]


And here for the one-way cross-section FE model:
Substituted Coefficients:
=========================
INV = -59.0109113225 + 0.110124585857*VALUE + 0.310064218491*CAPITAL + [CX=F]

Re: calculate random effects

Posted: Mon Jun 12, 2017 12:05 pm
by EViews Glenn
The representations view is for forecasting. For fitted values, simply subtract the residuals from the observed.