\begin{Schunk}
\begin{Sinput}
 ## Economy
 anes1$V043213 <- anes1$V043213[ , drop = TRUE]
 table(anes1$V043213, exclude = NULL)
\end{Sinput}
\begin{Soutput}
  1. Better    3. Worse 5. The same        <NA> 
        190         668         343          11 
\end{Soutput}
\end{Schunk}
