I&#39;ve encountered the following &quot;feature.&quot;   restrict is putting NA into the standard error rather than 0, making it impossible to retrieve the estimated standard errors as a matrix (or anything else).  Is this as intended?  <div>
<br></div><div><div>? matrix s = $stderr</div><div>   The statistic you requested is not available</div><div><br></div><div><div><font face="courier new, monospace">               coefficient   std. error   t-ratio   p-value</font></div>
<div><font face="courier new, monospace">  ----------------------------------------------------------</font></div><div><font face="courier new, monospace">  const          11.7952       0.0159611    739.0     0.0000 ***</font></div>
<div><font face="courier new, monospace">  sqft            0.000000    NA             NA      NA     </font></div><div><font face="courier new, monospace">  sq_sqft         0.000000     0.000000      NA      NA     </font></div>
<div><font face="courier new, monospace">  bedrooms        0.000000     0.000000      NA      NA     </font></div><div><font face="courier new, monospace">  sq_bedrooms     0.000000     0.000000      NA      NA     </font></div>
<div><font face="courier new, monospace">  baths           0.000000     0.000000      NA      NA     </font></div><div><font face="courier new, monospace">  age             0.000000     0.000000      NA      NA     </font></div>
</div><div><font face="courier new, monospace"><br></font></div><div><br></div><div>It happens with the attached dataset.  Since it won&#39;t return anything there is no way to use zeromiss or ok to make it usable.</div><div>
<br></div><div>&lt;hansl&gt;</div><div><div>open &quot;br.gdt&quot;</div><div>square sqft bedrooms</div><div>logs price</div><div>list xlist = const sqft sq_sqft bedrooms sq_bedrooms baths age</div><div>matrix Rmat = zeros(6,1)~I(6)</div>
<div>matrix r = { 0 ; 0 ; 0 ; 0; 0; 0 }</div><div><br></div><div>ols price xlist</div><div>restrict --full</div><div>    R=Rmat</div><div>    q=r</div><div>end restrict</div><div>matrix s = $stderr</div><div>&lt;/hansl&gt;</div>
-- <br>Lee Adkins<br>Professor of Economics<br><a href="mailto:lee.adkins@okstate.edu">lee.adkins@okstate.edu</a><br><br><a href="http://learneconometrics.com">learneconometrics.com</a><br>
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