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标签在 pgfplot 条形图中消失

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标签在 pgfplot 条形图中消失

此条形图仅显示第三个标签。如果我只放置一行数据，则标签会正常显示。如果我放置两行数据，则两个标签都会隐藏。如果我放置三行数据（如下所示），则仅显示第三个标签。

你知道为什么会发生这种情况吗？

\documentclass{article}
\usepackage{pgfplots}

\begin{document}

\begin{tikzpicture}
\pgfplotstableread{
X   question                                                                interactionhigh InteractionLow  VisualHigh  VisualLow
1   {*I needed to learn a lot of material before I could get started with SIDNIE.}      6.50                6.18                6.22            5.96
2   {I felt very confident working with SIDNIE.}                                    5.60                5.55                6.11            6.04
3   {*I found the system very cumbersome for use.}                          6.50                6.64                6.44            5.62
}\datatable

  \begin{axis}[xbar=0,
   yticklabels from table={\datatable}{question},
   y tick label style={text width=5cm, align=right},
height=18cm,
width=10cm,
inner sep=0mm,
xmin=0,
xmax=7,
  ]

\addplot table[y=X,x={interactionhigh}] {\datatable};
\addplot table[y=X,x={InteractionLow}] {\datatable};
\addplot table[y=X,x={VisualHigh}] {\datatable};
\addplot table[y=X,x={VisualLow}] {\datatable};
\end{axis}
\end{tikzpicture}

\end{document}

答案1

您需要明确指定要使用的刻度（通过说ytick={1,...,3}），或者指定仅用数据标记坐标，通过说ytick=data：

\documentclass{article}
\usepackage{pgfplots}


\begin{document}

\begin{tikzpicture}
\pgfplotstableread{
X   question                                                                interactionhigh InteractionLow  VisualHigh  VisualLow
1   {*I needed to learn a lot of material before I could get started with SIDNIE.}      6.50                6.18                6.22            5.96
2   {I felt very confident working with SIDNIE.}                                    5.60                5.55                6.11            6.04
3   {*I found the system very cumbersome for use.}                          6.50                6.64                6.44            5.62
}\datatable

  \begin{axis}[xbar=0,
   yticklabels from table={\datatable}{question},
   y tick label style={text width=5cm, align=right},
y=2cm, enlarge y limits={abs=0.5},
width=10cm,
xmin=0,
xmax=7,
ytick=data,
  ]

\addplot table[y=X,x={interactionhigh}] {\datatable};
\addplot table[y=X,x={InteractionLow}] {\datatable};
\addplot table[y=X,x={VisualHigh}] {\datatable};
\addplot table[y=X,x={VisualLow}] {\datatable};
\end{axis}
\end{tikzpicture}

\end{document}

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