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% Packages
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%\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{shanly3011}
\pdfinfo{
  /Title (data-manipulation-in-r-dplyr.pdf)
  /Creator (Cheatography)
  /Author (shanly3011)
  /Subject (Data manipulation in R : dplyr Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
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\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{Data manipulation in R : dplyr Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{shanly3011} via \textcolor{DarkBackground}{\uline{cheatography.com/20988/cs/3879/}}}
\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}shanly3011 \\
  \uline{cheatography.com/shanly3011} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 12th April, 2015.\\
   Updated 8th May, 2016.\\
   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*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Select}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Used to select specific columns from a data set.  \newline % Row Count 1 (+ 1)
To select a column -  \newline % Row Count 2 (+ 1)
Use the ":" sign to select a range of columns \newline % Row Count 3 (+ 1)
Type in the specific column names to select individually \newline % Row Count 5 (+ 2)
Use the "-" operator to exclude a column or a range of columns% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`\#Select individal columns` \newline `hflights\_multiple \textless{}- select(hflights, ArrTime,AirTime,TaxiIn)` \newline   \newline `\#Shortcut to select a range of columns` \newline `hflights\_range \textless{}- select(hflights,Year:DayOfWeek,ArrTime:AirTime)` \newline   \newline `\#Exclude a set of columns` \newline `hflights\_subtract \textless{}- select(hflights, -(DayOfWeek:FlightNum)`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Helper Functions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To search for column names, instead of typing each one manually or specifying range - we can use helper functions. These functions help us in making our work easier.  \newline % Row Count 4 (+ 4)
Common helper functions \newline % Row Count 5 (+ 1)
`ends\_with("A")` \newline % Row Count 6 (+ 1)
`starts\_with("A")` \newline % Row Count 7 (+ 1)
`contains("A")` \newline % Row Count 8 (+ 1)
`matches("A")` \newline % Row Count 9 (+ 1)
`num\_range("A")` \newline % Row Count 10 (+ 1)
`one\_of("A")`% Row Count 11 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}