Add an example of creating a graph using pgfplots.

analysis/latex/.gitignore

+*.aux
+*.log
+*.out
+*.pdf

analysis/latex/Makefile

+export TEXINPUTS=.:..:
+
+.PHONY: all clean
+
+all:
+	pdflatex plot
+
+clean:
+	@ rm -f `cat .gitignore`
+	@ rm -f *~

analysis/latex/plot.tex

+\documentclass{article}
+\usepackage[dvipsnames]{xcolor}
+\usepackage[colorlinks=true,linkcolor=blue!80!black,pdfpagelabels=false]{hyperref}
+\usepackage[utf8]{inputenc}
+\usepackage{pgfplots}
+\pgfplotsset{compat=1.13}
+\input{setup.tex}
+
+\begin{document}
+
+\begin{figure}
+\begin{tikzpicture}
+\begin{axis}[
+  % Figure width:
+  width=\textwidth,
+  % Horizontal axis settings:
+  xmode=log,
+  log basis x=10,
+  xlabel={Size of LR(1) automaton (\#states)},
+  scaled x ticks=false,
+  x tick label style={/pgf/number format/fixed},
+  % Vertical axis settings:
+  ymode=log,
+  log basis y=10,
+  ylabel={Construction time (seconds)},
+]
+\addplot[
+  % Appearance:
+  black,only marks,mark=o,
+  % Data filtering:
+  discard if not symbolic={mode}{pager}
+]
+table[col sep=comma,
+  % Horizontal axis data:
+  x=lr1states,
+  % Vertical axis data:
+  y=lr1time,
+  % Data filtering:
+  restrict expr to domain={rawy}{0.05:60},
+]
+{data.csv}
+;
+\end{axis}
+\end{tikzpicture}
+\caption{Efficiency of Pager's algorithm}
+\end{figure}
+
+\end{document}
+
+% Possible values of the mark field:
+% +          (cross)
+% o          (white bullet)
+% *          (black bullet)
+% triangle   (white triangle)
+% triangle*  (black triangle)
+% square*    (black square)
+
+% Possible values of the xmode and ymode fields:
+% normal     (linear)
+% log        (logarithmic)
+
+% Instead of y=lr1time,
+% one can also say
+% y expr={\thisrow{lr1time}}
+
+% Instead of restrict y to domain={0.05}{60},
+% one can also say
+% restrict expr to domain={\thisrow{lr1time}}{0.05:60}

analysis/latex/setup.tex

+\pgfplotsset{
+% For numeric comparisons:
+% https://tex.stackexchange.com/questions/178629/how-to-read-a-specific-portion-of-a-data-file-in-pgfplots
+  discard if not/.style 2 args={
+    x filter/.code={
+      \let\tempa=\pgfmathresult
+      \pgfmathparse{\thisrow{#1}==#2?\tempa:"inf"}
+    }
+  },
+% For symbolic comparisons:
+% https://tex.stackexchange.com/questions/58548/is-it-possible-to-change-the-color-of-a-single-bar-when-the-bar-plot-is-based-on
+  discard if symbolic/.style 2 args={
+    filter discard warning=false,
+    x filter/.code={
+      \edef\tempa{\thisrow{#1}}
+      \edef\tempb{#2}
+      \ifx\tempa\tempb
+        \def\pgfmathresult{inf}
+      \fi
+    }
+  },
+  discard if not symbolic/.style 2 args={
+    filter discard warning=false,
+    x filter/.code={
+      \edef\tempa{\thisrow{#1}}
+      \edef\tempb{#2}
+      \ifx\tempa\tempb
+      \else
+        \def\pgfmathresult{inf}
+      \fi
+    }
+  }
+}