\begin{Schunk}
\begin{Sinput}
 plot(x, y, type = "n", main = "loess output from MASS without deceptive line", ylim = c(-6, 6))
 points(x, y, pch = 16)
 points(x, fit2$fitted, pch = 3)
\end{Sinput}
\end{Schunk}
