\documentclass[a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{RJournal}
\usepackage{amsmath,amssymb,array}
\usepackage{booktabs}

% Captions in floating environments
\usepackage[labelsep=colon,font=small,margin=5pt,format=hang]{caption}
% For subcaptions in figures
\usepackage{subcaption}
% References
\usepackage[capitalise,noabbrev]{cleveref}
% Avoid parentheses
\crefformat{equation}{Equation~#1}
\Crefformat{equation}{Equation~#1}
% Used for knitr images from Rnw files
\newcommand{\subfloat}[2][default for first parameter: need a sub-caption]{\subcaptionbox{#1}{#2}}
% Shortcuts
\newcommand{\dtwclust}{\pkg{dtwclust}}
\newcommand{\dtwp}{\text{DTW}_p}
\newcommand{\kshape}{\textit{k}-Shape}

\begin{document}

%% do not edit, for illustration only
\sectionhead{Contributed research article}
\volume{XX}
\volnumber{YY}
\year{20ZZ}
\month{AAAA}

\begin{article}
  \input{sarda}
\end{article}

\end{document}
