我正在使用 groupplot 生成以下图表：
关于右图：如果列之间的间距减小，那么图表会更美观。目前，列与图表的边框重叠，并且列之间有足够的空间。
问题：如何减少右图中分组列之间的水平空间？
代码：参见背页或参见下面的代码：
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{pdflscape}
\usepackage[table]{xcolor}
\usepackage[landscape, a4paper, bottom=0cm, margin=0in, top=2cm]{geometry}
\usepackage{pgfplots}
\pagenumbering{gobble}
\definecolor{customgreen}{RGB}{118,189,34}
\definecolor{custompink}{RGB}{0,78,89}
\definecolor{customlightblue}{RGB}{207,210,235}
\definecolor{customlighterblue}{RGB}{232,234,245}
\definecolor{custombrown}{RGB}{200,208,213}
\usepgfplotslibrary{
units, % Allows to enter the units nicely
groupplots
}
\title{test}
\begin{document}
%\maketitle
\hspace{2cm}{\Huge \color{customgreen} Medicin}
\pgfplotstableread[row sep=\\,col sep=&]{
interval & a & b \\
SABA & 85.00 & 64.20 \\
LABA & 65.00 & 8.20 \\
LAMA & 50.00 & 44.00 \\
LABA/LAMA & 0.00 & 13.30 \\
ICS & 75.00 & 24.30 \\
LABA/ICS & 30.00 & 76.70 \\
Systemisk glukokortikoid & 0.00 & 3.30 \\
Fosfodiesterasehæmmer & 0.00 & 0.30 \\
Methylxantin & 0.00 & 0.40 \\
Hjemmeilt & 5.00 & 3.50 \\
}\mydata
\pgfplotstableread[row sep=\\,col sep=&]{
interval & a & b \\
LABA & 95.00 & 98.20 \\
LAMA & 50.00 & 57.30 \\
ISC & 105.00 & 101.00 \\
}\dobbetdata
\begin{figure}[h]
\vspace*{1.8cm}
\centering
\begin{tikzpicture}
\begin{groupplot}[
group style={group size=2 by 1, horizontal sep=2cm},
legend style={at={(0.5,1)}, text width=6em, text height=1.5ex, anchor=north,legend columns=-1},
ybar,
/tikz/bar width=.55cm,
xtick=data,
ymin=0, %ymax=130,
,height=10cm,
nodes near coords,
every node near coord/.append style={color=black, font=\footnotesize}
]
\nextgroupplot[
title=\textbf{Medicinering},
width=.65\textwidth,
xticklabel style={rotate=35, anchor=north east},
symbolic x coords={SABA,LABA,LAMA,LABA/LAMA,ICS,LABA/ICS,Systemisk glukokortikoid,Fosfodiesterasehæmmer,Methylxantin,Hjemmeilt},
ymax=100,
y label style={at={(axis description cs:-0.05,.5)},anchor=south},
ylabel={Procent}
]
\addplot[red!50!customgreen,fill=customgreen!50!white] table[x=interval,y=a]{\mydata};
\addplot[red!20!custompink,fill=custompink!80!white] table[x=interval,y=b]{\mydata};
\legend{Klinik 30507, Landsdata}
\nextgroupplot[
title=\textbf{Dobbelt medicinering},
width=.30\textwidth,
xticklabel style={rotate=35, anchor=north east},
symbolic x coords={LABA,LAMA,ISC},
ymax=140,
y label style={at={(axis description cs:-0.15,.5)},anchor=south},
ylabel={Procent}
]
\addplot[red!20!customgreen,fill=customgreen!80!white] table[x=interval,y=a]{\dobbetdata};
\addplot[red!20!custompink,fill=custompink!80!white] table[x=interval,y=b]{\dobbetdata};
\legend{Klinik 30507, Landsdata}
\end{groupplot}
\end{tikzpicture}
\end{figure}
\end{document}