2) suppresses DW for non-time-series data
In addition, I wonder
whether gretl checks all the assumptions of DW
before diplaying it:
a)- The constant exists,
b)- No lagged dependent variable as explanatory variable,
c)- No missing observations.
Cheers
Talha
On Thu, Nov 20, 2008 at 5:55 PM, Riccardo (Jack) Lucchetti
<r.lucchetti(a)univpm.it> wrote:
> On Thu, 20 Nov 2008, Allin Cottrell wrote:
>
>
>> Please see the example at
>>
http://ricardo.ecn.wfu.edu/~cottrell/dougherty/model.html
>> where I show a given model as displayed by current gretl, the
>> proposed modification, and Stata and Eviews output for comparison.
>
> I quite like it. Attached you'll find a patch against CVS that does 3
> things:
>
> 1) toggles compaction on an environment variable, to make testing easier
2) suppresses DW for non-time-series data
> 3) organises
stuff in a more logical (IMHO) way than eviews. Example:
>
> Model 1: OLS estimates using the 14 observations 1-14
> Dependent variable: price
>
> coefficient std. error t-ratio p-value
> --------------------------------------------------------
> const 52.3509 37.2855 1.404 0.1857
> sqft 0.138750 0.0187329 7.407 8.20E-06 ***
>
> Mean dependent var 317.4929 S.D. dependent var 88.49816
> Sample size 14 Sum squared resid 18273.57
> R-squared 0.820522 Adjusted R-squared 0.805565
> S.E. of regression 39.02304 Log-likelihood -70.08421
> Akaike criterion 144.1684 Schwarz criterion 145.4465
> F(1, 12) 54.86051 P-value(F) 8.20e-06
>
> Comments welcome!
>
>
>
> Riccardo (Jack) Lucchetti
> Dipartimento di Economia
> Università Politecnica delle Marche
>
> r.lucchetti(a)univpm.it
>
http://www.econ.univpm.it/lucchetti
> _______________________________________________
> Gretl-devel mailing list
> Gretl-devel(a)lists.wfu.edu
>
http://lists.wfu.edu/mailman/listinfo/gretl-devel
>
--
"Remember not only to say the right thing in the right place, but far
more difficult still, to leave unsaid the wrong thing at the tempting
moment." - Benjamin Franklin (1706-1790)
--