% This file is part of the APS files in the REVTeX 4.2 distribution.
% Version 4.2a of REVTeX, December 2014
%
\documentclass[%
reprint,
%superscriptaddress,
%groupedaddress,
%unsortedaddress,
%runinaddress,
%frontmatterverbose,
%preprint,
%preprintnumbers,
%nofootinbib,
%nobibnotes,
%bibnotes,
amsmath,amssymb,
aps,
%pra,
%prb,
%rmp,
%prstab,
%prstper,
%floatfix,
]{revtex4-2}
\usepackage{float}
\DeclareUnicodeCharacter{2009}{\,}
\usepackage{physics}
\newcommand{\gsim}{\gtrsim}
\newcommand{\lsim}{\lesssim}
\usepackage{graphicx}
\usepackage{dcolumn}
\usepackage{bm}
\usepackage{hyperref}
%\usepackage[mathlines]{lineno}% Enable numbering of text and display math
%\linenumbers\relax % Commence numbering lines
%\usepackage[showframe,%Uncomment any one of the following lines to test
%%scale=0.7, marginratio={1:1, 2:3}, ignoreall,% default settings
%%text={7in,10in},centering,
%%margin=1.5in,
%%total={6.5in,8.75in}, top=1.2in, left=0.9in, includefoot,
%%height=10in,a5paper,hmargin={3cm,0.8in},
%]{geometry}
\begin{document}
\begin{table}[b]
\caption{\label{tab: Table 2}BAO data used in the analysis \cite{Aubourg_2015}.}
\begin{ruledtabular}
\begin{tabular}{lcdr}
\textrm{Redshift} &
\textrm{Name} &
\multicolumn{1}{c}{\textrm{$D_V/r_d$}} &
\textrm{$D_M/r_d$} \\
\colrule
0.106 & 6dFGS & $3.047 \pm 0.137$ & -\\
0.15 & MGS & $4.480 \pm 0.168$ & -\\
0.32 & BOSS LOWZ Sample & $8.467 \pm 0.167$ & -\\
0.57 & BOSS CMASS Sample & - & $14.945 \pm 0.210$\\
2.34 & LyaF auto-correlation & - & $37.675 \pm 2.171$\\
2.36 & LyaF-QSO cross correlation & - & $36.288 \pm 1.344$
\end{tabular}
\end{ruledtabular}
\end{table}
\end{document}
我创建了一个表，但是当我运行它时，它给出了缺少 $ 的错误。尽管如此，我还是正确地使用了 $。有趣的是，当我删除 $\pm$ 时，代码运行正常。我的问题是为什么上面的代码不能正常工作？
输出如下
缺少数据，我该如何修复