head_MainText.sty

\usepackage{xr}
\externaldocument[SM-]{SuppMat}
\usepackage{setspace}
\doublespacing
%\usepackage{indentfirst}
%\usepackage{siunitx}

\usepackage{array} % This line fixed error in array lining (tex table...)
\usepackage{hyperref}

%\twocolumn
%\usepackage[switch]{lineno}
\usepackage{lineno}
\linenumbers

\hypersetup{linkcolor=red}
\usepackage{caption}
%\captionsetup[figure]{parbox=none}
\captionsetup[figure]{width=17cm}
\captionsetup[figure]{font={small, stretch=1}} 
\captionsetup[table]{width=16cm}
\captionsetup[table]{font={stretch=1.5}} 
\usepackage[tablesfirst,nomarkers,nolists]{endfloat}

%\usepackage{sectsty} \sectionfont{\centering}

\newcommand{\mean}{\operatorname{mean}}
\newcommand{\var}{\operatorname{var}}
\newcommand{\cor}{\operatorname{cor}}
\newcommand{\Ps}{\operatorname{P}}  
\newcommand{\Dsq}{\operatorname{D}^2}
\newcommand{\rank}{\operatorname{rank}}
\newcommand{\cov}{\operatorname{cov}}