I want to draw a following table in latex
EDIT:
MWE:
\documentclass{article}
\usepackage[british,UKenglish,USenglish,english,american]{babel}
\pagenumbering{gobble}
\usepackage{multirow}
\usepackage{makecell}
\usepackage{xfrac}
\usepackage{siunitx,booktabs}
\usepackage{amsmath}
\begin{document}
\begin{tabular}{@{}l
c
*{5}{S[table-format=1.6, group-digits=false]}
S[table-format=-1.6, group-digits=false]
S[table-format=1.6, group-digits=false]@{}}
\toprule
\multirow{2}[3]{*}{\bfseries Parameters} & \multicolumn{2}{c}{\makecell{\bfseries Asymtotic \\ $\boldsymbol{\widehat{\theta}_n - \theta^{\textbf{True}}}$}} &
\multicolumn{2}{c}{\makecell{\bfseries Finite sample \\ $\boldsymbol{\widehat{\theta}_n - \theta^{\textbf{True}}}$}} &
\multicolumn{2}{c}{\makecell{\bfseries Finite sample \\ \bfseries $\boldsymbol{\widehat{\theta}_n^{(3)} - \widehat{\theta}_n}$}} &
\multicolumn{2}{c}{\makecell{\bfseries Finite sample \\ \bfseries $\boldsymbol{\widehat{\theta}_n^{(6)} - \widehat{\theta}_n}$}} \\
\cmidrule(lr){2-3} \cmidrule(lr){4-5} \cmidrule(lr){6-7} \cmidrule(lr){8-9}
$\boldsymbol{\theta^{\textbf{True}}}$ & \multicolumn{1}{c}{\bfseries Mean} & \multicolumn{1}{c}{\bfseries Stddev} & \multicolumn{1}{c}{\bfseries Mean} & \multicolumn{1}{c}{\bfseries Stddev} & \multicolumn{1}{c}{\bfseries Mean} & \multicolumn{1}{c}{\bfseries Stddev} & \multicolumn{1}{c}{\bfseries Mean} & \multicolumn{1}{c}{\bfseries Stddev} \\
\midrule
$\Delta = 1/52$ & & & & & & & & \\
\hspace{7pt} $\kappa = 0.5 $ & 0 & 0.229136 & 0.245175 & 0.329396 & 0.013477 & 0.014645 & 0.000002 & 0.000102 \\
\hspace{7pt} $\alpha = 0.06 $ & 0 & 0.013682 & 0.000329 & 0.015202 & 0.000002 & 0.000318 & 0.000000 & 0.000003 \\
\hspace{7pt} $\sigma = 0.03 $ & 0 & 0.000674 & 0.000021 & 0.000675 & 0.000003 & 0.000015 & 0.000000 & 0.000000 \\
\addlinespace
$\Delta = 1/12$ & & & & & & & & \\
\hspace{7pt} $\kappa = 0.5 $ & 0 & 0.111867 & 0.054162 & 0.124773 & 0.028923 & 0.014382 & -0.000003 & 0.000297 \\
\hspace{7pt} $\alpha = 0.06 $ & 0 & 0.006573 & 0.000097 & 0.006440 & 0.000002 & 0.000174 & 0.000000 & 0.000014 \\
\hspace{7pt} $\sigma = 0.03 $ & 0 & 0.000685 & 0.000022 & 0.000687 & 0.000025 & 0.000022 & 0.000000 & 0.000001 \\
\bottomrule
\end{tabular}
\end{document}
Questions:
how to center the last column header ("Stddev") keeping the space removing (
@{}
) at the end of the table?how to put a minus before the 0.000000 in the 3rd cell of the 8th column? (I don't know if it makes sense, but there was in the OP's table).