%% To be compiled with pdflatex. This gives high quality fonts (ps2pdf decrease the resolution of the document), but is very unpractical if this .tex-file is to be used as a model for other documents; xdvi is much more practical for previews than any .pdf-reader I know of. - Steffen Gr?nneberg

\documentclass[a4paper, english, 11pt, reqno]{amsart}
\usepackage{a4, amsmath, graphicx, amssymb, verbatim, listings, alltt, babel, paralist, mathrsfs, ae, natbib}
\usepackage[latin1]{inputenc}
\usepackage[section]{placeins}
\begin{document}

\title{Solutions, week 34, STK3100}
\author{Steffen Gr?nneberg (steffeng@math.uio.no)}
\date{}
\maketitle{}

\lstset{numbers=left, numberstyle=\tiny, numbersep=5pt, breaklines=true, frame=shadowbox, basicstyle=\small}

\section*{Assignment 1}

\lstinputlisting[language=R]{opg1.R}

\begin{figure}[ht]
   \centerline{\includegraphics[height=9.5cm]{opg1_1.pdf}}
\caption{Boys and girls plotted in different frames}
 \end{figure}

\begin{figure}[ht]
   \centerline{\includegraphics[height=9.5cm]{opg1_2.pdf}}
\caption{Boys and girls plotted in the same frame}
 \end{figure}

\begin{figure}[ht]
   \centerline{\includegraphics[height=9.5cm]{opg1_3.pdf}}
\caption{Boys and girls with the fitted linear regression}
 \end{figure}

\begin{figure}[ht]
   \centerline{\includegraphics[height=9.5cm]{opg1_4.pdf}}
\caption{Scatterplot and histogram of the residuals}
 \end{figure}

\begin{figure}[ht]
   \centerline{\includegraphics[height=9.5cm]{opg1_5.pdf}}
\caption{Other visual residual diagnostics}
 \end{figure}

\section*{Assignment 2}

\lstinputlisting[language=R]{opg2.R}

\begin{figure}[ht]
   \centerline{\includegraphics[height=7.5cm]{opg2_1.pdf}}
\caption{Proportion of beetles killed versus dosage of poison}
 \end{figure}

\begin{figure}[ht]
   \centerline{\includegraphics[height=7.5cm]{opg2_2.pdf}}
\caption{Fitted logistic regression together with the actual observations}
 \end{figure}
\end{document}