\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{Jona Priyaa S J} \pdfinfo{ /Title (r-programming-cheat-sheet.pdf) /Creator (Cheatography) /Author (Jona Priyaa S J) /Subject (R Programming 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}{A3349F} \definecolor{LightBackground}{HTML}{F9F2F9} \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 Programming Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Jona Priyaa S J} via \textcolor{DarkBackground}{\uline{cheatography.com/67228/cs/16858/}}} \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}Jona Priyaa S J \\ \uline{cheatography.com/jona-priyaa-s-j} \\ \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 29th August, 2018.\\ 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{2.78712 cm} x{2.18988 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Util Functions}} \tn % Row 0 \SetRowColor{LightBackground} data = \seqsplit{read.csv(file.choose())} & Opens file explorer to get data \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} setwd("Path") & Sets the working directory \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} getwd() & Gets the working directory \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} str(variable\_name) & Structure of the variable \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} ls() & Lists the variables \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} rm(variable\_name) & Removes the variable \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} help.start() & Opens help \tn % Row Count 13 (+ 1) % Row 7 \SetRowColor{white} library("Package Name") & Makes it available for the use \tn % Row Count 15 (+ 2) % Row 8 \SetRowColor{LightBackground} \seqsplit{install.packages("Package} Name") & Installs package \tn % Row Count 17 (+ 2) % Row 9 \SetRowColor{white} detach("Package Name") & detaches the package \tn % Row Count 19 (+ 2) % Row 10 \SetRowColor{LightBackground} history() & Shows the history \tn % Row Count 20 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DataFrame}} \tn % Row 0 \SetRowColor{LightBackground} d=data.frame(Roll No=1:3, gender=c("F","M","F"), Grade=c(8,4,7) & Input Dataframe - length should be equal \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} view(d) & Opens Editor \tn % Row Count 5 (+ 1) % Row 2 \SetRowColor{LightBackground} summary(d) & Provides the descriptive statistics \tn % Row Count 7 (+ 2) % Row 3 \SetRowColor{white} head(d)/tail(d) & Displays the top or bottom rows \tn % Row Count 9 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Strings}} \tn % Row 0 \SetRowColor{LightBackground} toString(x) & To produce a single character string \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{toupper(x)/tolower(x)} & Changes from upper to lower case and vice versa \tn % Row Count 5 (+ 3) % Row 2 \SetRowColor{LightBackground} strsplit(word, character, fixed=TRUE) & Splits the word based on the character given \tn % Row Count 8 (+ 3) % Row 3 \SetRowColor{white} substring(word,startpoint,endpoint) & Retrieves or replaces the substring of the character \tn % Row Count 11 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.08574 cm} x{1.89126 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Arrays}} \tn % Row 0 \SetRowColor{LightBackground} 1D = array(1:24) & 1 dimensional array \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} 2D = array(1:24, dim = c(6,4)) & 2 dimensional array \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} 3D = array(1:24, dim = c(4,3,2)) & 3 dimensional array \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} dim(2D) & nrow(2D) \tn % Row Count 7 (+ 1) % Row 4 \SetRowColor{LightBackground} ncol(2D) & length(2D) \tn % Row Count 8 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Vectors}} \tn % Row 0 \SetRowColor{LightBackground} num = c(1,2,3,4,5,6) & numeric vector \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} chr = c("aaa","bbb") & character vector \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} log = c(TRUE,TRUE,FALSE) & logical vector \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} mean(vector) & mean \tn % Row Count 7 (+ 1) % Row 4 \SetRowColor{LightBackground} sd(vector) & standard deviation \tn % Row Count 8 (+ 1) % Row 5 \SetRowColor{white} var(vector) & variance \tn % Row Count 9 (+ 1) % Row 6 \SetRowColor{LightBackground} range(vector) & range \tn % Row Count 10 (+ 1) % Row 7 \SetRowColor{white} \seqsplit{which.min(vec)/which.max(vec)} position of the min/max value rep(1:5,times=3) & Finding the minimum and maximum values in the vector \tn % Row Count 15 (+ 5) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.13551 cm} x{1.84149 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Matrix}} \tn % Row 0 \SetRowColor{LightBackground} mat = matrix(1:12, nrow=4, ncol=3) & matrix \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} cbind(mat1,mat2) & column bind \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} rbind(mat1,mat2) & row bind \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} det(matrix(c(1,0,0,1),2)) & Determinant \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} solve(A) & Inverse \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} A\%*\%B & Matrix \seqsplit{Multiplication} \tn % Row Count 8 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.93643 cm} x{2.04057 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Lists}} \tn % Row 0 \SetRowColor{LightBackground} x\textless{}-list(c(1,2,3),c("A","B","C")) & Collection of Elements \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} x{[}{[}1{]}{]} & First row \tn % Row Count 3 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.23505 cm} x{1.74195 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Descriptive Statistics}} \tn % Row 0 \SetRowColor{LightBackground} colMeans(data{[}{]}) & column mean \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} colSums(data{[}{]}) & column sum \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} rowMeans(data{[}{]}) & row mean \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} rowSums(data{[}{]}) & row sum \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.33459 cm} x{1.64241 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Hypothesis}} \tn % Row 0 \SetRowColor{LightBackground} t.test(data) & 1 sample t test \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} t.test(data1,data2) & 2 sample t test \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} t.test(pre,post,paired=TRUE) & paired sample t test \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} cor.test(data1,data2) & Correlation \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} chisq.test(data) & Chi square \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} aov() & ANOVA \tn % Row Count 10 (+ 1) % Row 6 \SetRowColor{LightBackground} wilcox.test(data) & Wilcox test \tn % Row Count 11 (+ 1) % Row 7 \SetRowColor{white} shapiro.test(data) & Shapiro test \tn % Row Count 12 (+ 1) % Row 8 \SetRowColor{LightBackground} prop.test & Testing proportions \tn % Row Count 14 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Visualization}} \tn % Row 0 \SetRowColor{LightBackground} qplot(data, line=TRUE,...) & produces quantile-quantile plot \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} qqnorm(column) & produces quantile-quantile plot \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} barplot(table) & Relationship between a numerical and a categorical variable \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} boxplot(x,data=) & Distribution \tn % Row Count 8 (+ 1) % Row 4 \SetRowColor{LightBackground} ggplot(data = NULL, mapping = aes(), ...) & initializes a ggplot object \tn % Row Count 11 (+ 3) % Row 5 \SetRowColor{white} geom\_bar() & bar graph \tn % Row Count 12 (+ 1) % Row 6 \SetRowColor{LightBackground} coord\_flip() & flip x and y coordinates \tn % Row Count 14 (+ 2) % Row 7 \SetRowColor{white} facet\_grid() & lay out panels in a grid \tn % Row Count 16 (+ 2) % Row 8 \SetRowColor{LightBackground} geom\_density & density plot \tn % Row Count 17 (+ 1) % Row 9 \SetRowColor{white} geom\_hist & histogram \tn % Row Count 18 (+ 1) % Row 10 \SetRowColor{LightBackground} geom\_point & scatter plots \tn % Row Count 19 (+ 1) % Row 11 \SetRowColor{white} hist(column) & normality test \tn % Row Count 20 (+ 1) % Row 12 \SetRowColor{LightBackground} \seqsplit{pie(table(tablename))} & piecharts \tn % Row Count 22 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.53367 cm} x{1.44333 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Loops}} \tn % Row 0 \SetRowColor{LightBackground} for (variable in sequence)\{ Do something \} & for loop \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} while (condition)\{ Do something \} & while loop \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} if (condition)\{ Do something \} else \{ Do something different \} & ifelse statement \tn % Row Count 7 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.93643 cm} x{2.04057 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Probability}} \tn % Row 0 \SetRowColor{LightBackground} runif(n, min = 0, max = 1) & Uniform \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} rnorm(n,mean,sd) & Normal or Gaussian \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} rexp(n) & Exponential \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} rbinom(n, size, prob) & Binomial \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} rpois(n,size) & Poisson \tn % Row Count 7 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Data Table}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{library(data.table)} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{class(x)} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{head(x)} \tn % Row Count 3 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.68298 cm} x{1.29402 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Statistics}} \tn % Row 0 \SetRowColor{LightBackground} fit \textless{}- lm(y \textasciitilde{} x1 + x2 + x3, data=mydata) summary(fit) & \seqsplit{Regression} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} glm.fit(y \textasciitilde{} x1 + x2 + x3, family="", data=mydata) & \seqsplit{Classification} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} kmeans(data) & \seqsplit{Clustering} \tn % Row Count 5 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}