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46 lines
1.9 KiB
TeX
46 lines
1.9 KiB
TeX
\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tikz}
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\usetikzlibrary{shapes,arrows}
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\begin{document}
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\pagestyle{empty}
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% Define block styles
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\tikzstyle{decision} = [diamond, draw, fill=blue!20,
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text width=4.5em, text badly centered, node distance=3cm, inner sep=0pt]
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\tikzstyle{block} = [rectangle, draw, fill=blue!20,
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text width=5em, text centered, rounded corners, minimum height=4em]
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\tikzstyle{line} = [draw, -latex']
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\tikzstyle{cloud} = [draw, ellipse,fill=red!20, node distance=3cm,
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minimum height=2em]
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\begin{tikzpicture}[node distance = 2cm, auto]
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% Place nodes
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\node [block] (init) {initialize model};
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% \node [cloud, left of=init] (expert) {expert};
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% \node [cloud, right of=init] (system) {system};
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\node [block, below of=init] (qualitycheck) {calculate $q$};
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\node [decision, below of=qualitycheck] (decide) {is $q$ reasonable};
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\node [block, left of=decide, node distance=3cm] (investigate) {investigate};
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\node [block, below of=decide, node distance=3cm] (train) {train};
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\node [decision, below of=train] (decide2) {is $q$ good enough};
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\node [block, left of=investigate, node distance=3cm] (update) {update model};
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\node [block, below of=decide2, node distance=3cm] (stop) {stop};
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% Draw edges
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\path [line] (init) -- (qualitycheck);
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\path [line] (qualitycheck) -- (decide);
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\path [line] (decide) -- node {yes} (train);
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\path [line] (decide) -- node {no} (investigate);
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\path [line] (investigate) -- (update);
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\path [line] (train) -- (decide2);
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% \path [line] (decide) -| node [near start] {yes} (update);
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% \path [line] (update) |- (init);
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\path [line] (decide2) -- node {yes}(stop);
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\path [line] (decide2) -| node {no}(update);
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\path [line] (update) |- (init);
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% \path [line,dashed] (expert) -- (init);
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% \path [line,dashed] (system) -- (init);
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% \path [line,dashed] (system) |- (evaluate);
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\end{tikzpicture}
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\end{document}
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