# Spacing bar between bars is too high in a bar plot with error bars [closed]

   \documentclass{standalone}
\usepackage{pgfplots}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
title = {ring enrich.},
ybar,
width=10cm,
xtick={1,2},
xticklabels={%
before,
after,
}]
fill=blue!25,
draw=black,
error bars/.cd,
y dir=both,
y explicit
]
table [y error=error] {
x   y       error
1   6.63    3.95
};

fill=red!25,
draw=black,
error bars/.cd,
y dir=both,
y explicit
]
table [y error=c] {
x   y       c
2   41.58   8.48
};

\end{axis}
\end{tikzpicture}
\end{document}

-

## closed as too localized by Jake, lockstep, Claudio Fiandrino, Kurt, Paul GaboritFeb 7 '13 at 12:52

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Welcome to TeX.SX. A tip: If you indent lines by 4 spaces, then they're marked as a code sample. You can also highlight the code and click the "code" button ({}) or select your code and hit Ctrl+K. – Claudio Fiandrino Feb 7 '13 at 9:56
Thanks, the comma thing was my oversight. Even though I haven't understood why changing xbar to ybar solves the problem. – Maril Feb 7 '13 at 10:29
Also may I ask for another problem? I've got another simpler bar plot. the problem is bars are too far from each other, what can I do? – Maril Feb 7 '13 at 10:30
'\documentclass{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ title = {ring enrich.}, ybar, width=10cm, barwidth=5pt, xtick={1,2}, xticklabels={% before, after, }] \addplot[ fill=blue!25, draw=black, ybar, error bars/.cd, y dir=both, y explicit ] table [y error=error] { x y error 1 6.63 3.95 }; \addplot[ fill=red!25, draw=black, ybar, error bars/.cd, y dir=both, y explicit ] table [y error=c] { x y c 2 41.58 8.48 }; \end{axis} \end{tikzpicture} \end{document}' – Maril Feb 7 '13 at 10:33
sorry don't know how to insert a code in the comment! – Maril Feb 7 '13 at 10:40

You can move the bars closer while keeping the overall plot width constant by setting enlarge x limits=<value>, where <value> specifies by what fraction you want to increase the axis range. To make the bars wider, you can set bar width=<width>:

\documentclass{standalone}
\usepackage{pgfplots}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
ybar, bar shift=0pt,
bar width=1cm,
enlarge x limits=0.5,
width=10cm,
xtick={1,2},
]
fill=blue!25,
draw=black
]
table{
x   y       error
1   6.63    3.95
};

fill=red!25,
draw=black
]
table {
x   y       c
2   41.58   8.48
};

\end{axis}
\end{tikzpicture}
\end{document}

-
perfect, thank you – Maril Feb 7 '13 at 14:15