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\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
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% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
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%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{felyne223}
\pdfinfo{
  /Title (r.pdf)
  /Creator (Cheatography)
  /Author (felyne223)
  /Subject (R Cheat Sheet)
}

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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{R Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{felyne223} via \textcolor{DarkBackground}{\uline{cheatography.com/146361/cs/31646/}}}
\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}felyne223 \\
  \uline{cheatography.com/felyne223} \\
  \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 13th April, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
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\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

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% 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{1.76 cm} x{6.24 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Data Structure}}  \tn
% Row 0
\SetRowColor{LightBackground}
Vectors & Entries all types \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Arrays & Multidimensional, all of the same type. A 2D array is a matrix. \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Data frames & A list of vectors of the same length. These can be of different types. Each has a name. \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
Lists & Entries are completely general. Good for returning output of a function. `list(vec, num, char)` \tn 
% Row Count 11 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.44 cm} x{6.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Numeric} & `is.numeric(x)` to check if x is numeric \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Character} & `character(x) ` to check if x is character \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Logical} & `is.logical(x)` to check if x is logical \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Factor & `is.factor(x)` to check if x is a factor. Factors are numeric. `factor(x)` coerce number x into factor. \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Creating Vectors}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`c(1, 2, 3)`} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`1:7`} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`seq(from=1, to=10, by=.5)`} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`rep(1:5, each=3, time=2)`} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`scan("filename")`} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Extracting Elements from Vectors}}  \tn
% Row 0
\SetRowColor{LightBackground}
`x{[}c(2,17,4){]}` & By index \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`x{[}-c(2,17,4){]}` & By excluding some indices \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`x{[}x\textless{}3{]}` or `x{[}y=="female"{]}` & By logical statement \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Vector Indices}}  \tn
% Row 0
\SetRowColor{LightBackground}
`which.max(x)`, `which.min(x)`, `which(x\textless{}3)` & Extract index/indices of max, min, \textless{} 3 values in vector x \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`order(x)` & Sort vector x \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Read File}}  \tn
% Row 0
\SetRowColor{LightBackground}
`scan(file="n.txt", what = "character", quote= " ")` & file = name, what = the type of data to be read, \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{`read.csv(file="name.csv")`} & read csv file \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{`readLines(file="name}.txt")` & read txt file line by line \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.84 cm} x{4.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Function}}  \tn
% Row 0
\SetRowColor{LightBackground}
`sqr \textless{}- function(x) \{ return(x*x) \} ` & `sqr()` to call function \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`if(x\textgreater{}3)\{return(x)\}` & if function \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`invisible()` & Does the same as `return()` but does not print output to screen \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
`cat()` & Does the same as `print()` but is valid only for atomic types (logical, integer, real, complex, character) and names \tn 
% Row Count 14 (+ 6)
% Row 4
\SetRowColor{LightBackground}
`system.time()` & Output time taken to run a function. Output user, system, elapsed time. \tn 
% Row Count 18 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{List}}  \tn
% Row 0
\SetRowColor{LightBackground}
`list\$sdev` & Extract element by name \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`list{[}"sdev"{]}` & Extract element by name \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`list{[}{[}1{]}{]}` & Extract element by index \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.36 cm} x{4.64 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Matrix}}  \tn
% Row 0
\SetRowColor{LightBackground}
`matrix(1:8, nrow=4)` & Creates a matrix with 4 rows and 2 columns. 1:4 in first column, 5:8 in second column. \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
`cbind(1:4, 5:8)` & Creates a same matrix, as above. \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`rownames(x) \textless{}- letters{[}1:4{]}` & Give row names \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
`colnames(x) \textless{}- letters{[}1:4{]}` & Give column names \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`*` & Element-wise multiplication \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
`\%*\%` & Matrix multiplication \tn 
% Row Count 13 (+ 1)
% Row 6
\SetRowColor{LightBackground}
`solve(x)` & Inverse of a matrix x \tn 
% Row Count 14 (+ 1)
% Row 7
\SetRowColor{white}
\seqsplit{`as.matrix(dataframe)`} & Treats a all numeric data frame as a matrix \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
`apply(x, 2, mean)` & Performs an operation for all rows or columns. Margin = 2 performs operation on column, 1 on row. \tn 
% Row Count 21 (+ 5)
% Row 9
\SetRowColor{white}
`x{[}1,2{]}` & Extract element on row 1, col 2 of matrix x \tn 
% Row Count 23 (+ 2)
% Row 10
\SetRowColor{LightBackground}
`x{[},2{]}` & Extract elements on col 2 \tn 
% Row Count 25 (+ 2)
% Row 11
\SetRowColor{white}
`x{[},-2{]}` & Extract elements not on col 2 \tn 
% Row Count 27 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Regular Expression}}  \tn
% Row 0
\SetRowColor{LightBackground}
`grep("regexpr", vector)` & Return the indices of a vector that match a set of characters (or a pattern) \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
`grepl("regexpr", vector)` & Return TRUE or FASE for each element of a vector on the basis of whether it matches a set of characters \tn 
% Row Count 10 (+ 6)
% Row 2
\SetRowColor{LightBackground}
`regexpr("regexpr", vector)` & Tells you which elements match, where they match, and how long each match is. Matches the first occurrence of pattern in an element. \tn 
% Row Count 17 (+ 7)
% Row 3
\SetRowColor{white}
`gregexpr("regexpr", vector)` & Same as regexpr. Matches every occurrence of pattern in an element. \tn 
% Row Count 21 (+ 4)
% Row 4
\SetRowColor{LightBackground}
`gsub("regexpr",   vector)` & String subs \tn 
% Row Count 23 (+ 2)
% Row 5
\SetRowColor{white}
`Curr.n` & Single wild card character e.g. `Curr.n` matches "Curran", "Curren" and "Currin" \tn 
% Row Count 27 (+ 4)
% Row 6
\SetRowColor{LightBackground}
`Curr(a|e|i)n` & Alternation. Matches "Curran", "Curren" and "Currin" \tn 
% Row Count 30 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Regular Expression (cont)}}  \tn
% Row 7
\SetRowColor{LightBackground}
metacaracter & If a character is a regex metacharacter then it has a special meaning to the RegExp interpreter. `{[} {]}, {[}\textasciicircum{}{]}, \textbackslash{}, ?, *. +, \{,\}, \textasciicircum{}, \$, \textbackslash{}\textless{}, \textbackslash{}\textgreater{}, | and ()`. Escape done by preceding it with a double back slash `\textbackslash{}\textbackslash{}`. \tn 
% Row Count 11 (+ 11)
% Row 8
\SetRowColor{white}
`{[}a-9{]}` & Will match any digit from 0 to 9 \tn 
% Row Count 13 (+ 2)
% Row 9
\SetRowColor{LightBackground}
`{[}a-z{]}` & Will match any lower case letter from a to z \tn 
% Row Count 16 (+ 3)
% Row 10
\SetRowColor{white}
`{[}A-Z0-9{]}` & Will match uppercase letter from A to Z or any digit from 0 to 9 \tn 
% Row Count 20 (+ 4)
% Row 11
\SetRowColor{LightBackground}
`{[}:alpha:{]}` & Alphabetic (only letters) \tn 
% Row Count 22 (+ 2)
% Row 12
\SetRowColor{white}
`{[}:lower:{]}` & Lowercase letters \tn 
% Row Count 23 (+ 1)
% Row 13
\SetRowColor{LightBackground}
`{[}:upper:{]}` & Uppercase letters \tn 
% Row Count 24 (+ 1)
% Row 14
\SetRowColor{white}
`{[}:digit:{]}` & Digits \tn 
% Row Count 25 (+ 1)
% Row 15
\SetRowColor{LightBackground}
`{[}:alnum:{]}` & Alphanumeric (letters and digits) \tn 
% Row Count 27 (+ 2)
% Row 16
\SetRowColor{white}
`{[}:space:{]}` & White space \tn 
% Row Count 28 (+ 1)
% Row 17
\SetRowColor{LightBackground}
`{[}:punct:{]}` & Punctuation \tn 
% Row Count 29 (+ 1)
% Row 18
\SetRowColor{white}
`?` & Matches at most 1 time; optional string \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Regular Expression (cont)}}  \tn
% Row 19
\SetRowColor{LightBackground}
`*` & Matches at least 0 times \tn 
% Row Count 2 (+ 2)
% Row 20
\SetRowColor{white}
`+` & Matches at least 1 time \tn 
% Row Count 4 (+ 2)
% Row 21
\SetRowColor{LightBackground}
`\{a,b\} ` & match from a to b' occurrences of the previous pattern \tn 
% Row Count 7 (+ 3)
% Row 22
\SetRowColor{white}
`\{a,\}` & match a or more occurrences of the previous pattern \tn 
% Row Count 10 (+ 3)
% Row 23
\SetRowColor{LightBackground}
`{[}CK{]} (u|a)r\{1,2\}(i|e)*n` & Looks for a pattern that matches C or K, matches u or a, r appears 1 to 2 times, matches i or e for zero or more occurrences, matches `n` \tn 
% Row Count 17 (+ 7)
% Row 24
\SetRowColor{white}
Metacaracter & If a character is a regex metacharacter then it has a special meaning to the RegExp interpreter. {[} {]}, {[} \textasciicircum{} {]}, \textbackslash{}, ?, *. +, \{,\}, \textasciicircum{}, \$, \textbackslash{}\textless{}, \textbackslash{}\textgreater{}, | and (). Escape done by preceding it with a double back slash \textbackslash{}\textbackslash{}. \tn 
% Row Count 28 (+ 11)
% Row 25
\SetRowColor{LightBackground}
Back Substitution & Use round brackets in regexp to capture the match of interest. Use \textbackslash{}\textbackslash{}1 \textbackslash{}\textbackslash{}2 ...\textbackslash{}\textbackslash{}n backreference operators to retrieve the information we matched. \tn 
% Row Count 36 (+ 8)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Regular Expression (cont)}}  \tn
% Row 26
\SetRowColor{LightBackground}
`(\textasciicircum{}{[}0-9{]}{[}.{]}){[} {]}+({[}A-Za-z{]}+\$)` & Example use of round brackets in regexp. \textbackslash{}\textbackslash{}1 extracts information in first round bracket, \textbackslash{}\textbackslash{}2 extracts information in second round bracket. \tn 
% Row Count 7 (+ 7)
% Row 27
\SetRowColor{white}
`substr(string, start, stop)` & Extract substrings. `substr('abcdef', 2, 4)` returns `bcd`. \tn 
% Row Count 10 (+ 3)
% Row 28
\SetRowColor{LightBackground}
`paste(x, y, sep = ' ', collapse =' ' )` & `paste` elements x and y (more are allowed). sep = separator between corresponding sub-elements in x and y. Collapse = separator between x and y. \tn 
% Row Count 18 (+ 8)
% Row 29
\SetRowColor{white}
`strsplit(vector of strings, sep=' ')` & Separate strings in vector based on separator set in `sep` \tn 
% Row Count 21 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Regular expression provide a way of matching patterns in text.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{R plot}}  \tn
% Row 0
\SetRowColor{LightBackground}
`par(mfrow=c(3,3))` & Set the plotting area to 3 * 3 array \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`apply(matrix, 2, hist, xlim=c(-4, 4))` & for each column in matrix, plot histogram, x axis limit is -4 to 4 \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
`rnorm(n, mean=1, sd=1)` & random number generation following normal distribution \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
`lm(y\textasciitilde{}x, data=data)` & linear regression \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`abline(lm(y\textasciitilde{}x))` & plot linear regression \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
`plot(x, y)` & plot points \tn 
% Row Count 14 (+ 1)
% Row 6
\SetRowColor{LightBackground}
`main`, `xlim`, & variables to be included in graphical functions. Title, x-axis range, \tn 
% Row Count 18 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{R graphics}}  \tn
% Row 0
\SetRowColor{LightBackground}
Bitmap & Graphic format, pixelwise representation of your screen. If \textgreater{}1000 points/lines, use Bitmap format instead of Vector. Bitmap formats are bmp, png, jpg. \tn 
% Row Count 8 (+ 8)
% Row 1
\SetRowColor{white}
Vector & Graphic format, uses a set of basic plotting tools (point, line, etc) to describe a plot. Looks better, especially when you change devices/resolution. Vector foramts are pdf, eps, wmf. \tn 
% Row Count 18 (+ 10)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{`pdf(filename="myplot}.pdf", width=5, height=5)` & Saving to pdf format. Many different commands (jpeg, png, postscript) depending on the output type you want. \tn 
% Row Count 24 (+ 6)
% Row 3
\SetRowColor{white}
Base R vs ggplot & Base R: You control everything, great power, great responsibility. ggplot: Nice looking defaults, can be tough if you want something unusual. \tn 
% Row Count 32 (+ 8)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{R graphics (cont)}}  \tn
% Row 4
\SetRowColor{LightBackground}
Base R - environment set up & `par(mfrow=c(2, 2), mex=0.5)` etc. \tn 
% Row Count 2 (+ 2)
% Row 5
\SetRowColor{white}
Base R - type of plot & scatterplot (plot), histogram (hist), boxplot, barplot, dotplot (stripchart) \tn 
% Row Count 6 (+ 4)
% Row 6
\SetRowColor{LightBackground}
Base R - graph bits & points, lines, legend, text, box, axis, abline, title, polygon, rect. \tn 
% Row Count 10 (+ 4)
% Row 7
\SetRowColor{white}
Base R - graph parameters & xlim, ylim, xlab, ylab, main, sub, pch, lty, lwd, col, axes, type \tn 
% Row Count 14 (+ 4)
% Row 8
\SetRowColor{LightBackground}
`library(ggplot2)` & import ggplot library \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
`p \textless{}- ggplot(df, aes(x=xvar, \seqsplit{y=yvar))+geom\_line()`} & Aesthetics are what you are going to plot, geoms are how you are going to plot it \tn 
% Row Count 21 (+ 5)
% Row 10
\SetRowColor{LightBackground}
ggplot - Scales & Use to change automatically chosen axis components. Can specify name, limits, labels, breaks (control tick marks) and na.value.  \seqsplit{`p+scale\_color\_discrete()`} \tn 
% Row Count 29 (+ 8)
% Row 11
\SetRowColor{white}
ggplot `facet\_wrap(\textasciitilde{}var)` & put graphs of different groups into different panels. `p+facet\_wrap(\textasciitilde{}variable)` \tn 
% Row Count 33 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{R graphics (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
ggplot `facet\_grid(var1\textasciitilde{}var2)` & good if we have multiple variables to facet on \tn 
% Row Count 3 (+ 3)
% Row 13
\SetRowColor{white}
ggplot \seqsplit{`library(patchwork)`} & Combine separate ggplots in a grid. Once called, `p1/p2` puts p1 above p2, `p1+p2` puts p1 next to p2 \tn 
% Row Count 9 (+ 6)
% Row 14
\SetRowColor{LightBackground}
ggplot `theme\_bw()` & Modify general appearance of the plot with themes. This changes plot background to white. \tn 
% Row Count 14 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}