%%%------------------------------------------------------------------------------------------------------------
%%% 调序模型1：基于距离的调序
\begin{center}
\begin{tikzpicture}

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\tikzstyle{colnode}=[fill=ugreen!30,inner sep=0.1pt]

\tikzstyle{show}=[fill=red,circle,inner sep=0.5pt]

\begin{scope}

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\node [anchor=south,colnode,minimum height=0.15em,minimum width=1em] (b6) at ([xshift=0em,yshift=0.5em]c7.north) {};

{\scriptsize
\node [anchor=center] (n1) at ([xshift=0em,yshift=-1em]c2.south){\color{orange}Bush};
\node [anchor=west] (n2) at ([xshift=-0.2em,yshift=0em]n1.east){\color{ugreen!30}held};
\node [anchor=west] (n3) at ([xshift=0.35em,yshift=0em]n2.east){a};
\node [anchor=west] (n4) at ([xshift=0.5em,yshift=0em]n3.east){talk};
\node [anchor=west] (n5) at ([xshift=-0.3em,yshift=0em]n4.east){with};
\node [anchor=west] (n6) at ([xshift=-0.3em,yshift=0em]n5.east){Sharon};
}

\node [anchor=north] (l1) at ([xshift=1em,yshift=-1em]n3.south){\small {(a)原始分布}};

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\draw[-,very thick] ([xshift=1.2em,yshift=1.9em]b6.north)--([xshift=1.7em,yshift=2.4em]b6.north);

\end{scope}

\begin{scope}[xshift=4.4cm,yshift=0em]

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{\scriptsize
\node [anchor=center] (n1) at ([xshift=0em,yshift=-1em]c2.south){\color{orange}Bush};
\node [anchor=west] (n2) at ([xshift=-0.2em,yshift=0em]n1.east){held};
\node [anchor=west] (n3) at ([xshift=0.35em,yshift=0em]n2.east){a};
\node [anchor=west] (n4) at ([xshift=0.5em,yshift=0em]n3.east){\color{blue!60}talk};
\node [anchor=west] (n5) at ([xshift=-0.3em,yshift=0em]n4.east){with};
\node [anchor=west] (n6) at ([xshift=-0.3em,yshift=0em]n5.east){Sharon};
}

%\node [anchor=west,show] (s1) at (-0.5em,-5.7em){};
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%\node [anchor=west,show] (s3) at (1.1em,-5.5em){};
%\node [anchor=west,show] (s11) at (1.9em,-5em){};
%\node [anchor=west,show] (s4) at (3em,-4em){};
%\node [anchor=west,show] (s5) at (3.7em,-3em){};
%\node [anchor=west,show] (s12) at (4.2em,-2.2em){};
%\node [anchor=west,show] (s6) at (5.3em,-1.4em){};
%\node [anchor=west,show] (s7) at (6.3em,-2em){};
%\node [anchor=west,show] (s13) at (7.4em,-3em){};
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%\node [anchor=west,show] (s9) at (8.9em,-4.5em){};
%\node [anchor=west,show] (s10) at (9.3em,-5em){};

%\draw[-,blue!60,thick] (-0.5em,-5.7em)..controls (-0.2em,-5.6em) and (1.1em,-5.5em)..(1.9em,-5em)..controls (3em,-4em) and (3.7em,-3em)..(4.2em,-2.2em)..controls (5.3em,-1.4em) and (6.3em,-2em)..(7.4em,-3em)..controls (8.4em,-3.9em) and (8.9em,-4.5em)..(9.3em,-5em);
%\draw[-,blue!60,thick] (-1em,-6em)..controls (0em,-5.7em) and (1em,-5em)..(1.6em,-4.3em)..controls (5.3em,1em) and (7.4em,-2em)..(9.3em,-5em);
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\node [anchor=north] (l1) at ([xshift=1em,yshift=-1em]n3.south){\small {(b)高斯分布}};

\draw[-,very thick] ([xshift=1.2em,yshift=2.2em]b6.north)--([xshift=1.7em,yshift=2.2em]b6.north);
\draw[-,very thick] ([xshift=1.2em,yshift=1.9em]b6.north)--([xshift=1.7em,yshift=1.9em]b6.north);

\node [anchor=south] (t1) at ([xshift=0em,yshift=6.7em]n4.north){$D_i$};
\draw[->] ([xshift=0em,yshift=0em]t1.west)--([xshift=-1em,yshift=0em]t1.west);
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\end{scope}

\begin{scope}[xshift=8.8cm,yshift=0em]

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\node [anchor=south,colnode,minimum height=4.2em,minimum width=1em] (b4) at ([xshift=0em,yshift=0.5em]c5.north) {};
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\node [anchor=south,colnode,minimum height=0.15em,minimum width=1em] (b6) at ([xshift=0em,yshift=0.5em]c7.north) {};

{\scriptsize
\node [anchor=center] (n1) at ([xshift=0em,yshift=-1em]c2.south){\color{orange}Bush};
\node [anchor=west] (n2) at ([xshift=-0.2em,yshift=0em]n1.east){\color{ugreen!30}held};
\node [anchor=west] (n3) at ([xshift=0.35em,yshift=0em]n2.east){\color{ugreen!30}a};
\node [anchor=west] (n4) at ([xshift=0.5em,yshift=0em]n3.east){\color{ugreen!30}talk};
\node [anchor=west] (n5) at ([xshift=-0.3em,yshift=0em]n4.east){with};
\node [anchor=west] (n6) at ([xshift=-0.3em,yshift=0em]n5.east){Sharon};
}

\node [anchor=north] (l1) at ([xshift=1em,yshift=-1em]n3.south){\small {(c)修改后的分布}};

\end{scope}


\end{tikzpicture}
\end{center}