\begin{Schunk}
\begin{Sinput}
 str(ore1)
\end{Sinput}
\begin{Soutput}
'data.frame':	92 obs. of  5 variables:
 $ station  : Factor w/ 92 levels "ANT","ARL","ASH",..: 1 2 3 4 7 8 5 9 6 10 ...
 $ latitude : num  44.9 45.7 42.2 46.1 44.8 ...
 $ longitude: num  -121 -120 -123 -124 -118 ...
 $ elevation: int  846 96 543 2 1027 1050 24 1097 999 18 ...
 $ tann     : num  9.6 12.5 11.1 10.3 7.6 8.4 10.8 7.7 9.5 11.2 ...
\end{Soutput}
\end{Schunk}
