\begin{question}
What is the name of the R function for
extracting the estimated covariance matrix from a fitted (generalized) linear model object?
\end{question}
\begin{solution}
\texttt{vcov} is the R function for
extracting the estimated covariance matrix from a fitted (generalized) linear model object.
See \texttt{?vcov} for the corresponding manual page.
\end{solution}
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