\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Niki (worlddoit)}
\pdfinfo{
  /Title (r-part1.pdf)
  /Creator (Cheatography)
  /Author (Niki (worlddoit))
  /Subject (r part1 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{566BA3}
\definecolor{LightBackground}{HTML}{F4F5F9}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{r part1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Niki (worlddoit)} via \textcolor{DarkBackground}{\uline{cheatography.com/170195/cs/35579/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Niki (worlddoit) \\
  \uline{cheatography.com/worlddoit} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 21st November, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{0.8354 cm} x{1.37841 cm} p{0.75186 cm} x{1.21133 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{Basic operators and functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
`==` & exact equality & `!=` & unequal \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`\textgreater{}` & bigger & `\textless{}` & smaller \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`\textgreater{}=` & bigger or equal & `\textless{}=` & smaller or equal \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
`+` & addition & `-` & \seqsplit{subtraction} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
`*` & \seqsplit{multiplication} & `/` & division \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
`\textasciicircum{}` & power & \seqsplit{`sqrt(x)`} & square root \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{`exp(x)`} & exponential & \seqsplit{`log(x)`} & logarithm \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{`sin(x)`} & sine & \seqsplit{`cos(x)`} & cosine \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{`tan(x)`} & tangent & \seqsplit{`range(x)`} & range min max \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
\seqsplit{`min(x)`} & minimum & \seqsplit{`max(x)`} & maximum \tn 
% Row Count 18 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{`length(x)`} & number of elementsn & \seqsplit{`sum(x)`} & sum \tn 
% Row Count 20 (+ 2)
% Row 11
\SetRowColor{white}
\seqsplit{`mean(x)`} & mean & \seqsplit{`var(x)`} & variance \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{5.377cm}}{R as a giant pocket calculator (**Basics)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Commands and Assignments}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Valid names?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`.name1` \{\{nl\}\} `name.1` \{\{nl\}\}`name.var\_1`} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Help commands?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`help.start()`\{\{nl\}\} \seqsplit{`help.search("something")`} \{\{nl\}\}`help(function)` \{\{nl\}\}`?function` \{\{nl\}\}`apropos("something")`\{\{noshy\}\}} \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Commands?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`x\textless{}-24+10` \{\{nl\}\}`\{x\textless{}-24+10; sqrt(9); 1+1\}` \{\{nl\}\}`assign("x", 1+1)`} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Matrix?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`data \textless{}- `\{\{nl\}\}`c(1,2,3,4,5,6,7,8,9)`\{\{nl\}\}`matrix(data,nrow=3,`\{\{nl\}\}`ncol=3,byrow=TRUE)`} \tn 
% Row Count 12 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{(** Basics)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{1}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Relax?}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{`fortune()` is a function from the {\emph{fortunes}} package that contains anecdotes% Row Count 2 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{(*Additional)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{CRAN task views}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{install.packages("ctv")\{\{nl\}\} \newline library(ctv)\{\{nl\}\} \newline available.views()\{\{nl\}\} \newline install.views("Psychometrics", \{\{noshy\}\} \{\{nl\}\} \newline coreOnly=TRUE)\{\{nl\}\} \newline update.views("Psychometrics") \{\{noshy\}\} \{\{nl\}\} \newline  \newline \{\{link="https://cran.r-project.org/web/views/"\}\}MORE\{\{/link\}\}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{(**Basics)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{2}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Cats!}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/worlddoit_1668973180_ экрана 2022-11-20 в 20.38.13.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{(*Relax) \newline \{\{link="https://www.rforcats.net"\}\} Intro to R for cats and cat lovers \{\{/link\}\} \newline Package catterplots to make plots with cats}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}