example-7.16.tex

\documentclass{article}

%% Denote paragraphs with vertical space rather than indenting (not critical)
\usepackage{parskip}

%% Support for URL in introductory text (not needed for main example)
\usepackage{url}

%% *** Enable PGFPLOTS (automatically enables TikZ) ***
\usepackage{pgfplots}

%% Prevent some PGFPLOTS messages (not critical)
\pgfplotsset{compat=1.18,compat/show suggested version=false}


\begin{document}

%% Introductory Text
Example 7.16 from the book\\
\emph{Unlocking LaTeX Graphics: A Concise Guide to Ti$k$Z/PGF and PGFPLOTS}.\\
For more information, visit \url{https://latex-graphics.com}.
\par\bigskip

%% *** START OF EXAMPLE CODE ***
\pgfplotsset{
  scale only axis, width=3cm, height=5cm,
  a/.style={blue,very thick},
  b/.style={red,mark=x,thick,mark size=4pt},
  c/.style={orange,mark=+,thick,
    mark size=3pt},
  d/.style={teal,mark=star,thick,
    mark size=4pt}
}
\begin{tikzpicture}
  \begin{axis}[legend entries={A,B,C,D}]
    \addplot[a] table[y=A]{data.dat};
    \addplot[b] table[y=B]{data.dat};
    \addplot[c] table[y=C]{data.dat};
    \addplot[d] table[y=D]{data.dat};
  \end{axis}
\end{tikzpicture}
%% *** END OF EXAMPLE CODE ***

\end{document}