我正在尝试构建分组条形图并有以下问题：
我必须有多个条形图（4）Turquoise, Purple, Red, Blue, Green。此外，我可以拆分属于每个的 4 个条形图吗Turquoise, Purple, Red, Blue, Green？下面您可以看到代码，灵感来自邮政。此外，我还发布了原始输出以及预期输出。
以下是代码：
\documentclass{article}
\usepackage{lipsum}
\usepackage{pgfplots,pgfplotstable}
\pgfplotsset{compat=1.4}
\usetikzlibrary{pgfplots.groupplots}
\pgfplotstableread{
Criterion One Two Three
Turquoise 3620 15749 42754
%Yellow 2739 15109 42240
Purple 3710 16146 40533
Red 714 9306 28919
Blue 2997 6840 11614
%Orange 1589 4992 11786
Green 2122 11154 28747
}\datatable
\definecolor{RYB1}{RGB}{141, 211, 199}
\definecolor{RYB2}{RGB}{255, 255, 179}
\definecolor{RYB3}{RGB}{190, 186, 218}
\definecolor{RYB4}{RGB}{251, 128, 114}
\definecolor{RYB5}{RGB}{128, 177, 211}
\definecolor{RYB6}{RGB}{253, 180, 98}
\definecolor{RYB7}{RGB}{179, 222, 105}
\pgfplotscreateplotcyclelist{colorbrewer-RYB}{
{RYB1!50!black,fill=RYB1},
{RYB2!50!black,fill=RYB2},
{RYB3!50!black,fill=RYB3},
{RYB4!50!black,fill=RYB4},
{RYB5!50!black,fill=RYB5},
{RYB6!50!black,fill=RYB6},
{RYB7!50!black,fill=RYB7},
}
\pgfplotsset{
select row/.style={
x filter/.code={\ifnum\coordindex=#1\else\def\pgfmathresult{}\fi}
}
}
\begin{document}
\begin{figure}[hbt!]
\centering
\begin{tikzpicture}
\begin{groupplot}
[
group style=
{
columns=3,
xlabels at=edge bottom,
ylabels at=edge left,
horizontal sep=0.05\textwidth, group name=plots
},
ybar=0pt,
/pgf/bar shift=0pt,scale only axis,
width=0.74\textwidth/3,
yticklabel style={text width=0.035\textwidth, align=right, inner xsep=0pt, xshift=-0.005\textwidth},
ylabel=Performance, ylabel style={text height=0.02\textwidth,inner ysep=0pt},
enlarge x limits=0.15,
ymin=0,
xtick=\empty,
tickpos=left,
scaled y ticks=base 10:-3,
cycle list name=colorbrewer-RYB,
legend columns=-1,
legend style={draw=none, /tikz/every even column/.append style={column sep=5pt}},
legend image code/.code={%
\draw[#1] (0cm,-0.1cm) rectangle (0.3cm,0.1cm);
}
]
\nextgroupplot[xlabel=One, legend to name=grouplegend,]
\pgfplotsinvokeforeach {0,...,4}{
\addplot table [ x expr=\coordindex, select row=#1, y=One] {\datatable};
\addlegendentry {\pgfplotstablegetelem{#1}{Criterion}\of\datatable \pgfplotsretval}
}
\nextgroupplot[xlabel=Two]
\pgfplotsinvokeforeach {0,...,4}{
\addplot table [x expr=\coordindex, select row=#1, y=Two] {\datatable};
}
\nextgroupplot[xlabel=Three]
\pgfplotsinvokeforeach {0,...,4}{
\addplot table [x expr=\coordindex, select row=#1, y=Three] {\datatable};
}
\end{groupplot}
\node at (plots c2r1.south) [inner sep=0pt,anchor=north, yshift=-5ex] {\ref{grouplegend}};
\end{tikzpicture}
\end{figure}
\end{document}
原始输出
预期输出
答案1
如果我理解正确的话，将表格转置为\pgfplotstabletranspose，并在单独的轴上绘制新表格的列。有很多小的变化，请参阅代码中的注释。
\documentclass{article}
\usepackage{lipsum}
\usepackage{pgfplotstable}
\pgfplotsset{compat=1.17} % <-- increased from 1.4
\usetikzlibrary{pgfplots.groupplots}
\pgfplotstableread{
Criterion One Two Three
Turquoise 3620 15749 42754
%Yellow 2739 15109 42240
Purple 3710 16146 40533
Red 714 9306 28919
Blue 2997 6840 11614
%Orange 1589 4992 11786
Green 2122 11154 28747
}\datatable
\definecolor{RYB1}{RGB}{141, 211, 199}
\definecolor{RYB2}{RGB}{255, 255, 179}
\definecolor{RYB3}{RGB}{190, 186, 218}
\definecolor{RYB4}{RGB}{251, 128, 114}
\definecolor{RYB5}{RGB}{128, 177, 211}
\definecolor{RYB6}{RGB}{253, 180, 98}
\definecolor{RYB7}{RGB}{179, 222, 105}
\pgfplotscreateplotcyclelist{colorbrewer-RYB}{
{RYB1!50!black,fill=RYB1},
{RYB2!50!black,fill=RYB2},
{RYB3!50!black,fill=RYB3},
{RYB4!50!black,fill=RYB4},
{RYB5!50!black,fill=RYB5},
{RYB6!50!black,fill=RYB6},
{RYB7!50!black,fill=RYB7},
}
\pgfplotsset{
select row/.style={
x filter/.code={\ifnum\coordindex=#1\else\def\pgfmathresult{}\fi}
}
}
\begin{document}
\begin{figure}
% transpose table
\pgfplotstabletranspose[colnames from=Criterion]{\datatableT}{\datatable}
% typesetting the table can sometimes be useful for debugging
%\pgfplotstabletypeset[string type]{\datatableT}
\begin{tikzpicture}
\begin{groupplot}
[
group style=
{
columns=5,
xlabels at=edge bottom,
y descriptions at=edge left, % only ticklabels on left side
horizontal sep=0.01\textwidth, % less space between
group name=plots
},
ybar=0pt,
/pgf/bar shift=0pt,
/pgf/bar width=0.8, % <-- added sets bar width in axis units, requires compat=1.7
scale only axis,
width=0.87\textwidth/5, % <-- reduce width to avoid overfull hbox
height=\textwidth/5, % <-- increase height a bit
ylabel=Performance,
ylabel style={
text height=0.02\textwidth,
inner ysep=0pt
},
enlarge x limits={abs=0.5}, % <-- modified, half an axis unit of space on each side
ymin=0,ymax=45000, % <-- common ymax for all axes
xtick={0,...,2}, % <-- explicit tick locations
xticklabels from table={\datatableT}{colnames}, % <-- read ticklabels from the table
xticklabel style={rotate=45}, % rotate to make room
tickpos=left,
scaled y ticks=base 10:-3,
cycle list name=colorbrewer-RYB,
legend columns=-1,
legend style={draw=none, /tikz/every even column/.append style={column sep=5pt}},
legend image code/.code={%
\draw[#1] (0cm,-0.1cm) rectangle (0.3cm,0.1cm);
},
y tick scale label style={at={(yticklabel* cs:1.03, 2em)}}, % <-- move scale label to the left a bit
title style={anchor=base} % <-- change anchor to improve alignment
]
\nextgroupplot[title=Turquoise]
\addplot table[x expr=\coordindex, y=Turquoise] {\datatableT};
\nextgroupplot[title=Purple]
% go one step ahead in cycle list to get right colour
\pgfplotsset{cycle list shift=1}
\addplot table[x expr=\coordindex, y=Purple] {\datatableT};
\nextgroupplot[title=Red]
\pgfplotsset{cycle list shift=2}
\addplot table[x expr=\coordindex, y=Red] {\datatableT};
\nextgroupplot[title=Blue]
\pgfplotsset{cycle list shift=3}
\addplot table[x expr=\coordindex, y=Blue] {\datatableT};
\nextgroupplot[title=Green]
\pgfplotsset{cycle list shift=4}
\addplot table[x expr=\coordindex, y=Green] {\datatableT};
\end{groupplot}
\end{tikzpicture}
\end{figure}
\end{document}