\begin{Schunk}
\begin{Sinput}
   sqrt(diag(vcov(bush1)))
\end{Sinput}
\begin{Soutput}
            (Intercept)             partyidDem. 
                 0.3934                  0.3972 
  partyidInd. Near Dem.      partyidIndependent 
                 0.4348                  0.4105 
partyidInd. Near Repub.           partyidRepub. 
                 0.5073                  0.4502 
   partyidStrong Repub.               sexFemale 
                 0.6213                  0.1928 
              owngunYES 
                 0.1937 
\end{Soutput}
\end{Schunk}
