Dear Allin,<br /><br />When I want to estimate a heteroskedasticity
corrected model, it gives an output with WLS as below. Something wrong?<br
/><br />B Miran<br /><br />Model 2: WLS estimates using 14 observations
from 1936-1952<br />Missing or incomplete observations dropped: 3<br
/>Dependent variable: Y<br /><br
/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
coefficient&nbsp;&nbsp; std. error&nbsp;&nbsp; t-ratio&nbsp;&nbsp; p-value
<br />&nbsp; --------------------------------------------------------<br
/>&nbsp; const&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
20.3200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
2.09293&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9.709&nbsp;&nbsp;&nbsp; 2.08e-06
***<br />&nbsp;
X2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0.621689&nbsp;&nbsp;&nbsp;&nbsp; 0.228900&nbsp;&nbsp;&nbsp;&nbsp;
2.716&nbsp;&nbsp;&nbsp; 0.0217&nbsp;&nbsp; **<br />&nbsp;
X3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0.721299&nbsp;&nbsp;&nbsp;&nbsp; 0.517795&nbsp;&nbsp;&nbsp;&nbsp;
1.393&nbsp;&nbsp;&nbsp; 0.1938&nbsp; <br />&nbsp;
X4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0.725318&nbsp;&nbsp;&nbsp;&nbsp; 0.670564&nbsp;&nbsp;&nbsp;&nbsp;
1.082&nbsp;&nbsp;&nbsp; 0.3048&nbsp; <br /><br />Statistics based on the
weighted data:<br /><br />Sum squared resid&nbsp;&nbsp;&nbsp;
16.29103&nbsp;&nbsp; S.E. of regression&nbsp;&nbsp; 1.276363<br
/>R-squared&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0.987474&nbsp;&nbsp; Adjusted R-squared&nbsp;&nbsp; 0.983716<br />F(3,
10)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
262.7731&nbsp;&nbsp;
P-value(F)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
8.30e-10<br />Log-likelihood&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
-20.92604&nbsp;&nbsp; Akaike criterion&nbsp;&nbsp;&nbsp;&nbsp; 49.85208<br
/>Schwarz criterion&nbsp;&nbsp;&nbsp; 52.40831&nbsp;&nbsp;
Hannan-Quinn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 49.61546<br
/><br />Statistics based on the original data:<br /><br />Mean dependent
var&nbsp;&nbsp; 87.12143&nbsp;&nbsp; S.D. dependent var&nbsp;&nbsp;
18.64313<br />Sum squared resid&nbsp;&nbsp;&nbsp; 407.7965&nbsp;&nbsp;
S.E. of regression&nbsp;&nbsp; 6.385895<br /><br />Excluding the constant,
p-value was highest for variable 4 (X4)<br /><br /><br />&gt; On Sat, 6
Jun 2009, Lars P&Atilde;&yen;lsson-Syll wrote:<br />&gt; <br />&gt;&gt; Is
there any possibility of performing a cross-tabulation in<br />&gt;&gt;
gretl when you only have aggregated frequencies (I'm thinking of<br
/>&gt;&gt; something analogous to Stata's &quot;tabi&quot; command )?<br
/>&gt; <br />&gt; Not at present, but that would not be difficult to
add.<br />&gt; <br />&gt; Allin Cottrell<br />&gt; <br />&gt;
_______________________________________________<br />&gt; Gretl-users
mailing list<br />&gt; Gretl-users@lists.wfu.edu<br />&gt;
http://lists.wfu.edu/mailman/listinfo/gretl-users<br />&gt;
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