\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{paras} \pdfinfo{ /Title (series.pdf) /Creator (Cheatography) /Author (paras) /Subject (Series 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}{A3A3A3} \definecolor{LightBackground}{HTML}{F3F3F3} \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{Series Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{paras} via \textcolor{DarkBackground}{\uline{cheatography.com/153662/cs/33024/}}} \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}paras \\ \uline{cheatography.com/paras} \\ \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 5th July, 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{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Creating a Pandas Series}} \tn % Row 0 \SetRowColor{LightBackground} Convert an array to a Series in pandas. & data = np.array({[}1,2,3,4,5,6{]}) num\_arr\_series = pd.Series(data) \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} Convert a list to a Series in pandas. & data = {[}25, 50, 75, 100{]} first\_series = pd.Series(data) \tn % Row Count 7 (+ 3) % Row 2 \SetRowColor{LightBackground} Convert a dictionary to a Series in pandas. & first\_dict = \{ "name1": "Paras", "name2": "Luke", "name3": "Sam" \} dict\_series = \seqsplit{pd.Series(first\_dict)} \tn % Row Count 14 (+ 7) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{0.89586 cm} x{4.08114 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Aggregation Methods}} \tn % Row 0 \SetRowColor{LightBackground} .sum () & : Returns the result of adding all values in a Series together. .product: Returns the result of multiplying all values in a Series. \tn % Row Count 5 (+ 5) % Row 1 \SetRowColor{white} .min() & Finds the smallest number in a Series. \tn % Row Count 7 (+ 2) % Row 2 \SetRowColor{LightBackground} .max() & Finds the largest number in a Series. \tn % Row Count 9 (+ 2) % Row 3 \SetRowColor{white} \seqsplit{.median()} & Returns the midpoint in a numerical data set. \tn % Row Count 11 (+ 2) % Row 4 \SetRowColor{LightBackground} .mean () & Calculates the average value by adding all values and dividing by the total rows. \tn % Row Count 14 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{building an analytical picture of your numerical data set for deeper insights} \tn \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}{Sort Methods}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{series.sort\_index(inplace} = True) & .sort\_index() with the parameter inplace. The default behavior for this method is to return a new copy of the Series. \tn % Row Count 6 (+ 6) % Row 1 \SetRowColor{white} \seqsplit{series.sort\_values(ascending} = False, inplace = True) & .sort\_values() will provide numerical and/or alphabetical order in the output. \tn % Row Count 10 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Display Methods}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{series.head()} & captures the top rows of the Series: \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{series.tail()} & captures the bottom rows of the Series: \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{0.89586 cm} x{4.08114 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Null Value Methods}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{.dropna()} & method to remove — or drop — any null values, including NaNs \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{.fillna()} & method to overwrite — or fill — null values \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Best for: removing null values to improve the data integrity of your Series} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Index Methods}} \tn % Row 0 \SetRowColor{LightBackground} series.iloc{[}n{]} & use .iloc{[}{]} to call the value at index n+1 \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} series.iloc{[}0:n{]} & Slicing specifies a range of rows to return \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} series.loc{[}"input"{]} & .loc{[}{]} retrieves the row matching this string in the input \tn % Row Count 7 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}