MathematicalEngineeringDeepLearning/tikz/figure2-11-kfold_cross_validation.tex at master · yoninazarathy/MathematicalEngineeringDeepLearning · GitHub

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\documentclass[tikz, border=50pt]{standalone}

\usepackage{tikz}
\usepackage{geometry, amsmath}
\usepackage{medl_colors}
\usepackage{pgfplots}

\usetikzlibrary{shapes.multipart, shapes.geometric, arrows.meta}
\usetikzlibrary{matrix,decorations.pathreplacing, calc, positioning,fit}
\usetikzlibrary{positioning}

\pgfplotsset{compat=1.17}
\begin{document}

\begin{tikzpicture}
\newcommand\medlblock[5]
{
    \node[below of=#4, thickline, node distance=#5, rectangle split, rectangle split parts=5, rectangle split horizontal, rectangle split draw splits=true, rectangle split part fill={#2}, minimum height=1cm, draw] (#1) {
    \nodepart[text width=2cm]{one}
    \nodepart[text width=2cm]{two}
    \nodepart[text width=2cm]{three}
    \nodepart[text width=4cm, align=center]{four} ...
    \nodepart[text width=2cm]{five}
};
\draw [-Triangle, thickline] (#1.east)+(.1cm,0) -- node[] (arrow#1) {} ++(.8,0);
\node[align=center, right of=arrow#1, node distance=1.3cm] {\large $E^{(#3)}_{\text{validation}}$};
\node[align=center, left of=#1, node distance=7.3cm] {$k = $ #3};
}

%root
\node[draw] (root){};
\medlblock{A}{fill-light-red,fill-light-blue}{1}{root}{0};
\draw[decorate, uthickline, decoration={brace, raise=.8cm, amplitude=15pt}] (-6.5,0) -- (-4.5,0) node[pos=0.5, above=1.4cm]{\large Validation Data};
\draw[decorate, uthickline, decoration={brace, raise=.8cm, amplitude=15pt}] (-4.3,0) -- (6.5,0) node[pos=0.5,above=1.4cm]{\large Training Data};

%Bar 2
\medlblock{B}{fill-light-blue, fill-light-red, fill-light-blue}{2}{A}{2.5cm};

%seperator
\node[align=center, below of=B, node distance=1.5cm, font=\bfseries] (sep) {.\\.\\.};

%Bar 3
\medlblock{C}{fill-light-blue, fill-light-blue, fill-light-blue, fill-light-blue, fill-light-red}{K}{sep}{1.5cm};
\draw[decorate, uthickline, decoration={brace, raise=.8cm, amplitude=15pt, mirror}] (-6.5,-5.5) -- (4.3,-5.5) node[pos=0.5,below=1.4cm]{\large Training Data};
\draw[decorate, uthickline, decoration={brace, raise=.8cm, amplitude=15pt,mirror}] (4.5, -5.5) -- (6.5, -5.5) node[pos=0.5, below=1.4cm]{\large Validation Data};

\end{tikzpicture}
\end{document}