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tikz: Add Overfitting

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Martin Thoma 2017-05-17 11:21:37 +02:00
parent d436e1fce8
commit f18271133f
2 changed files with 42 additions and 35 deletions
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38
tikz/2d-epochs-overfitting/2d-epochs-overfitting.tex
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@ -1,44 +1,12 @@
\documentclass[varwidth=true, border=2pt]{standalone}
\documentclass[border=2pt]{standalone}
\usepackage{pgfplots}
\usepackage{tikz}
\usepackage{xcolor}
\usetikzlibrary{positioning}
\usetikzlibrary{decorations.text}
\usetikzlibrary{decorations.pathmorphing}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
legend pos=north east,
axis x line=middle,
axis y line=middle,
grid = major,
width=10cm,
height=10cm,
grid style={dashed, gray!30},
xmin=0, % start the diagram at this x-coordinate
xmax= 100, % end the diagram at this x-coordinate
ymin=0, % start the diagram at this y-coordinate
ymax= 0.98, % end the diagram at this y-coordinate
axis background/.style={fill=white},
xlabel=Epochs,
ylabel=Error,
tick align=outside,
minor tick num=-3,
enlargelimits=true,
tension=0.08]
\addplot[domain=2:50, red, thick,samples=200,dashed] {(x-50)^2/2700 + 0.1};
\addplot[domain=4:50, green, thick,samples=200] {(x-50)^2/2700 + 0.2};
\addplot[domain=50:100, red, thick,samples=200,dashed] {0.1};
\addplot[domain=50:100, green, thick,samples=200] {(x-50)^2/10000 + 0.2};
\draw[dashed] (axis cs:50,0.1) -- (axis cs:50,0.2);
\draw[decoration={text along path, text={overfitting}, text align={center}}, decorate] (axis cs:51,0.15) -- (axis cs:90,0.15);
\draw[->] (axis cs:51,0.15) -- (axis cs:90,0.15);
\addlegendentry{Training}
\addlegendentry{Testing}
\end{axis}
\end{tikzpicture}
\input{overfitting}
\end{document}

39
tikz/2d-epochs-overfitting/overfitting.tex Normal file
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@ -0,0 +1,39 @@
\definecolor{c1}{HTML}{0072B2}
\definecolor{c2}{HTML}{009E73}
\begin{tikzpicture}
\tikzstyle{training}=[c1, thick,samples=200,dashed]
\tikzstyle{testing}=[c2, thick,samples=200]
\begin{axis}[
legend pos=north east,
legend cell align=left,
axis x line=middle,
axis y line=middle,
grid = major,
width=14cm,
height=8cm,
grid style={dashed, gray!30},
xmin=0, % start the diagram at this x-coordinate
xmax= 104, % end the diagram at this x-coordinate
ymin=0, % start the diagram at this y-coordinate
ymax= 0.98, % end the diagram at this y-coordinate
axis background/.style={fill=white},
xlabel=Epochs,
ylabel=Error,
y label style={at={(-0.1,1.0)}},
tick align=outside,
minor tick num=-3,
tension=0.08]
\addplot[domain=2:50, training] {(x-50)^2/2700 + 0.1};
\addplot[domain=4:50, testing] {(x-50)^2/2700 + 0.2};
\addplot[domain=50:100, training] {0.1};
\addplot[domain=50:100, testing] {(x-50)^2/10000 + 0.2};
\draw[dashed, very thick] (axis cs:50,0.0) -- (axis cs:50,0.3);
\draw[decoration={text along path, text={overfitting}, text align={center}}, decorate] (axis cs:51,0.16) -- (axis cs:90,0.16);
\draw[-{latex[scale=3.0]}, very thick] (axis cs:51,0.15) -- (axis cs:90,0.15);
\addlegendentry{Training set}
\addlegendentry{Validation set}
\end{axis}
\end{tikzpicture}