overfitting.tex

\RequirePackage{luatex85}
\documentclass{standalone}

\usepackage{fontspec, unicode-math}
\setsansfont[Scale=MatchLowercase]{TeX Gyre Heros}
\setmathfont{TeX Gyre Termes Math}

% https://material.io/design/color/the-color-system.html
\usepackage[svgnames, table]{xcolor}
\definecolor{Black}{HTML}{000000}% D'oh!
\definecolor{White}{HTML}{FFFFFF}% D'oh!
\definecolor{Red}{HTML}{F44336}
\definecolor{Pink}{HTML}{E91E63}
\definecolor{Purple}{HTML}{9C27B0}
\definecolor{DeepPurple}{HTML}{673AB7}
\definecolor{Indigo}{HTML}{3F51B5}
\definecolor{Blue}{HTML}{2196F3}
\definecolor{LightBlue}{HTML}{03A9F4}
\definecolor{Cyan}{HTML}{00BCD4}
\definecolor{Teal}{HTML}{009688}
\definecolor{Green}{HTML}{4CAF50}
\definecolor{LightGreen}{HTML}{8BC34A}
\definecolor{Lime}{HTML}{CDDC39}
\definecolor{Yellow}{HTML}{FFEB3B}
\definecolor{Amber}{HTML}{FFC107}
\definecolor{Orange}{HTML}{FF9800}
\definecolor{DeepOrange}{HTML}{FF5722}
\definecolor{Brown}{HTML}{795548}
\definecolor{Gray}{HTML}{9E9E9E}
\definecolor{BlueGray}{HTML}{607D8B}

\usepackage{tikz}
\usepackage{pgfplots}
\pgfplotsset{compat=1.14}

\tikzset{
  every picture/.style={font={\sffamily\normalsize}, >=stealth},
  every pin edge/.style={black}}

\begin{document}

  \begin{tikzpicture}
    \begin{axis}[xtick=\empty, ytick=\empty]
      \addplot[color=Black, smooth] coordinates {
        (-5, 4) (-4, 3.5) (-3, 3.5) (-2.5, 3.25) (-2.5, 3) (-3, 1.75) (-3, 1) (-2.5, 0.5) (-2, 0.25) (-1.5, 1)
        (-1, 1.5) (-0.5, 1) (-0.55, 0) (0, -0.5) (0.55, 1) (1, 1.5) (2, 1.5) (2.5, 2) (2.75, 3.5) (3, 4) (4, 4) (5, 4)
      };
      \addplot[scatter, only marks, point meta=explicit symbolic,
        scatter/classes={
          a={mark=*, Red},
          b={mark=triangle*, Blue}
        }] table[meta=label] {fitting.dat};
    \end{axis}
  \end{tikzpicture}

\end{document}