ist es möglich die Achsenbeschriftung mittig unter den ticks anzuordnen, statt wie bisher rechts daneben?
\documentclass{scrbook}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\usetikzlibrary{matrix}
\begin{document}
\begin{figure}[htb]
\centering
\begin{tikzpicture}[farbe/.style={draw=#1,fill=#1}]
\pgfplotsset{every axis legend/.append style={at={(0.5,1.03)},anchor=north}}
\begin{axis}[ybar,
enlarge y limits=auto,
enlarge x limits=0.05,
width=0.89\textwidth,
height=0.37\textheight,
ylabel={test},
x tick label style={rotate=90,anchor=north east, text width=0.5cm, align=right},
ymin=0,
ymax=1,
bar width=3mm,
ymajorgrids,
every node near coord/.append style={above,yshift=22pt,fill=white},
symbolic x coords={
A,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
L,
M,
N,
O,
P,
Q},
xtick=data
]
\addplot[color=black, fill=blue, fill opacity=1] plot[error bars/.cd, y dir=both,y explicit] coordinates {
(A, 0.424866676 ) +- ( 0.01869379 , 0.01869379 )
(B, 0.96544267 ) +- ( 0.022 , 0.022 )
(C, 0.836314393 ) +- ( 0.01 , 0.01 )
(D, 0.722118582 ) +- ( 0.011 , 0.011 )
(E, 0.507149286 ) +- ( 0.011 , 0.011 )
(F, 0.937286055 ) +- ( 0.012 , 0.012 )
(G, 0.917906326 ) +- ( 0.004 , 0.004 )
(H, 0.15745432 ) +- ( 0.016 , 0.016 )
(I, 0.079378693 ) +- ( 0.047 , 0.047 )
(J, 0.463471207 ) +- ( 0.009 , 0.009 )
(K, 0.20568627 ) +- ( 0.063 , 0.063 )
(L, 0.329032066 ) +- ( 0.008 , 0.008 )
(M, 0.419689286 ) +- ( 0.018 , 0.018 )
(N, 0.837295557 ) +- ( 0.003 , 0.003 )
(O, 0.817743111 ) +- ( 0.085 , 0.085 )
(P, 0.864113782 ) +- ( 0.049 , 0.049 )
(Q, 0.671110648 ) +- ( 0.202 , 0.202 )};
\end{axis}
\end{tikzpicture}
\caption{bla}
\label{fig:bla}
\end{figure}
\end{document}