我试图在文档末尾放置一个侧向表格，但似乎无法像预期的那样完美地将其置于 A4 页面的中心。
以下是我的序言：
\documentclass[11pt,a4paper,twoside, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[UKenglish]{babel}
\usepackage[UKenglish]{isodate}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{lmodern}
\usepackage[bottom]{footmisc}
\usepackage{bm}
\usepackage{url}
\usepackage{paralist}
\usepackage{lipsum}
\usepackage{siunitx}
\usepackage{lettrine}
\usepackage{graphicx}
\usepackage{tabu}
\usepackage{booktabs}
\usepackage{rotating}
\usepackage{tabularx}
\newcolumntype{C}{>{\centering\arraybackslash}X} % centered "X" column type
\usepackage{multirow}
\usepackage{array}
\newcolumntype{L}{>{\centering\arraybackslash}m{2.75cm}}
\usepackage{todonotes}
\usepackage{titling}
\setlength{\droptitle}{-2em}
\title{\huge \textbf{Not relevant}}
\author{Not relevant}
\date{6$^{\text{th}}$ March 2013}
\usepackage{csquotes}
\usepackage[style=authoryear, backend=biber]{biblatex}
\addbibresource{endogenous.bib}
\usepackage{cleveref}
\usepackage[font=footnotesize,labelfont={bf,sf},justification=centering]{caption}
\usepackage{fancyhdr}
\usepackage{microtype}
以下是文档本身：
\begin{document}
\pagestyle{fancy}
\lhead{}
\chead{}
\rhead{\textsc{Test}}
\lfoot{}
\cfoot{}
\rfoot{\thepage}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
\clearpage
\thispagestyle{empty}
\begin{sidewaystable*}[t!]
\centering
\small
\begin{tabu}{Lccccccccccccccc}
\toprule
& \multicolumn{3}{c}{De6} & \multicolumn{3}{c}{19q2} & \multicolumn{3}{c}{1q13} & \multicolumn{3}{c}{6q26} & \multicolumn{3}{c}{12q12} \\
\midrule
\rowfont{\footnotesize}
& AA & Aa & aa & AA & Aa & aa & AA & Aa & aa & AA & Aa & aa & AA & Aa & aa \\
\rowfont{\tiny}
& ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) \\
\midrule
\rowfont{\footnotesize}
{\small Observed number ($O$)} & 0& 4& 20& 1& 1& 11& 0& 1& 9& 1& 3& 5& 1& 0& 12 \\[2ex]
\rowfont{\footnotesize}
{\small Percentage} & 0.00\%& 16.67\% &83.33\% &7.69\% &7.69\% &84.62\% &0.00\% &10.00\% &90.00\% &11.11\% &33.33\% &55.56\%& 7.69\%& 0.00\%& 92.31\% \\[2ex]
{\small p frequency} & \multicolumn{3}{c}{0.0833} & \multicolumn{3}{c}{0.115} & \multicolumn{3}{c}{0.05} & \multicolumn{3}{c}{0.278} & \multicolumn{3}{c}{0.0769} \\
{\small q frequency} & \multicolumn{3}{c}{0.917} & \multicolumn{3}{c}{0.885} & \multicolumn{3}{c}{0.95} & \multicolumn{3}{c}{0.722} & \multicolumn{3}{c}{0.923} \\
\cmidrule{2-16}
& $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ \\
\cmidrule{2-16}
\rowfont{\footnotesize}
{\small Expected genotype frequency}& 0.006 & 0.152 & 0.840 & 0.013 & 0.204 & 0.782 & 0.003 & 0.095 & 0.903 & 0.077 & 0.401 & 0.522 & 0.006 & 0.142 & 0.852 \\ [2ex]
\rowfont{\footnotesize}
{\small Expected no. of genotype ($E$)} & 0.167 & 3.67 & 20.2 & 0.173 & 2.65 & 10.2 & 0.025 & 0.95 & 9.03 & 0.694 & 3.61 & 4.69 & 0.0769 & 1.85 & 11.08 \\[2ex]
\rowfont{\footnotesize}
{\large $\frac{(O-E)^2}{E}$} & 0.167 & 0.03 & 0.001 & 3.95 & 1.03 & 0.067 & 0.025 & 0.003 & $6.93 \times 10^{-5}$ & 0.134 & 0.103 & 0.02 & 11.07 & 1.85 & 0.077 \\
\cmidrule{2-16}
Total $\chi^{2}$ value & \multicolumn{3}{c}{\textbf{0.198}} & \multicolumn{3}{c}{\textbf{5.05}} & \multicolumn{3}{c}{\textbf{0.03}} & \multicolumn{3}{c}{\textbf{0.26}} & \multicolumn{3}{c}{\textbf{13}} \\
\bottomrule
\end{tabu}
\caption{Hardy-Weinburg calculations for each insertion sequence}
\label{tab:hardyweinburg}
\end{sidewaystable*}
\clearpage
\end{document}
使用上述方法输出如下：
如您所见，表格并未在页面的垂直方向上居中，水平查看时，它显得离中心右侧太远了。
有办法改变这种情况吗？
答案1
的值\textheight太小，以至于表格无法适合 LaTeX 想要放置它的位置；因此，表格被推下去了。
通过局部减少边距（例如，在表格\newgeometry{margin=1cm}之后和之前插入），您可以获得垂直居中的横向表格。\clearpage
表格使用后可以恢复原始几何形状\restoregeometry。
\documentclass[11pt,a4paper,twoside, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[UKenglish]{babel}
\usepackage[UKenglish]{isodate}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{lmodern}
\usepackage[bottom]{footmisc}
\usepackage{bm}
\usepackage{url}
\usepackage{paralist}
\usepackage{lipsum}
\usepackage{siunitx}
\usepackage{lettrine}
\usepackage{graphicx}
\usepackage[showframe]{geometry}
\usepackage{tabu}
\usepackage{booktabs}
\usepackage{rotating}
\usepackage{tabularx}
\newcolumntype{C}{>{\centering\arraybackslash}X} % centered "X" column type
\usepackage{multirow}
\usepackage{array}
\newcolumntype{L}{>{\centering\arraybackslash}m{2.75cm}}
\usepackage{todonotes}
\usepackage{titling}
\setlength{\droptitle}{-2em}
\title{\huge \textbf{Not relevant}}
\author{Not relevant}
\date{6$^{\text{th}}$ March 2013}
\usepackage{csquotes}
\usepackage[style=authoryear, backend=biber]{biblatex}
\addbibresource{endogenous.bib}
\usepackage{cleveref}
\usepackage[font=footnotesize,labelfont={bf,sf},justification=centering]{caption}
\usepackage{fancyhdr}
\usepackage{microtype}
\begin{document}
\pagestyle{fancy}
\lhead{}
\chead{}
\rhead{\textsc{Test}}
\lfoot{}
\cfoot{}
\rfoot{\thepage}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
\clearpage
\newgeometry{margin=1cm}
\thispagestyle{empty}
\begin{sidewaystable*}[t!]
\centering
\small
\begin{tabu}{Lccccccccccccccc}
\toprule
& \multicolumn{3}{c}{De6} & \multicolumn{3}{c}{19q2} & \multicolumn{3}{c}{1q13} & \multicolumn{3}{c}{6q26} & \multicolumn{3}{c}{12q12} \\
\midrule
\rowfont{\footnotesize}
& AA & Aa & aa & AA & Aa & aa & AA & Aa & aa & AA & Aa & aa & AA & Aa & aa \\
\rowfont{\tiny}
& ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) & ($+$/$-$) & ($+$/$-$) & ($-$/$-$) \\
\midrule
\rowfont{\footnotesize}
{\small Observed number ($O$)} & 0& 4& 20& 1& 1& 11& 0& 1& 9& 1& 3& 5& 1& 0& 12 \\[2ex]
\rowfont{\footnotesize}
{\small Percentage} & 0.00\%& 16.67\% &83.33\% &7.69\% &7.69\% &84.62\% &0.00\% &10.00\% &90.00\% &11.11\% &33.33\% &55.56\%& 7.69\%& 0.00\%& 92.31\% \\[2ex]
{\small p frequency} & \multicolumn{3}{c}{0.0833} & \multicolumn{3}{c}{0.115} & \multicolumn{3}{c}{0.05} & \multicolumn{3}{c}{0.278} & \multicolumn{3}{c}{0.0769} \\
{\small q frequency} & \multicolumn{3}{c}{0.917} & \multicolumn{3}{c}{0.885} & \multicolumn{3}{c}{0.95} & \multicolumn{3}{c}{0.722} & \multicolumn{3}{c}{0.923} \\
\cmidrule{2-16}
& $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ & $p^2$ & $2pq$ & $q^2$ \\
\cmidrule{2-16}
\rowfont{\footnotesize}
{\small Expected genotype frequency}& 0.006 & 0.152 & 0.840 & 0.013 & 0.204 & 0.782 & 0.003 & 0.095 & 0.903 & 0.077 & 0.401 & 0.522 & 0.006 & 0.142 & 0.852 \\ [2ex]
\rowfont{\footnotesize}
{\small Expected no. of genotype ($E$)} & 0.167 & 3.67 & 20.2 & 0.173 & 2.65 & 10.2 & 0.025 & 0.95 & 9.03 & 0.694 & 3.61 & 4.69 & 0.0769 & 1.85 & 11.08 \\[2ex]
\rowfont{\footnotesize}
{\large $\frac{(O-E)^2}{E}$} & 0.167 & 0.03 & 0.001 & 3.95 & 1.03 & 0.067 & 0.025 & 0.003 & $6.93 \times 10^{-5}$ & 0.134 & 0.103 & 0.02 & 11.07 & 1.85 & 0.077 \\
\cmidrule{2-16}
Total $\chi^{2}$ value & \multicolumn{3}{c}{\textbf{0.198}} & \multicolumn{3}{c}{\textbf{5.05}} & \multicolumn{3}{c}{\textbf{0.03}} & \multicolumn{3}{c}{\textbf{0.26}} & \multicolumn{3}{c}{\textbf{13}} \\
\bottomrule
\end{tabu}
\caption{Hardy-Weinburg calculations for each insertion sequence}
\label{tab:hardyweinburg}
\end{sidewaystable*}
\clearpage
\restoregeometry
\end{document}
