\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{Ianh}
\pdfinfo{
  /Title (pandas.pdf)
  /Creator (Cheatography)
  /Author (Ianh)
  /Subject (Pandas 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}{68A368}
\definecolor{LightBackground}{HTML}{F5F9F5}
\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{Pandas Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Ianh} via \textcolor{DarkBackground}{\uline{cheatography.com/85121/cs/20025/}}}
\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}Ianh \\
  \uline{cheatography.com/ianh} \\
  \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 12th July, 2019.\\
   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{3.68 cm} x{4.32 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Show installed versions}}  \tn
% Row 0
\SetRowColor{LightBackground}
pd.\_\_versions\_\_ & Python version \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{pd.show\_versions()} & Dependency \& versions \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.6 cm} x{2.4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Create an example DataFrame}}  \tn
% Row 0
\SetRowColor{LightBackground}
df = pd.DataFrame(\{'col one':{[}100, 200{]}, 'col two':{[}300, 400{]}\}) & Dictionary method \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{pd.DataFrame(np.random.rand(4}, 8), \seqsplit{columns=list('abcdefgh'))} & Rand method \tn 
% Row Count 6 (+ 3)
\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}{Rename columns}}  \tn
% Row 0
\SetRowColor{LightBackground}
df = df.rename(\{'col one':'col\_one', 'col two':'col\_two'\}, axis='columns') & Overwrite old names (keys) with new names (values) \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
df.columns = {[}'col\_one', 'col\_two'{]} & Rename all of the columns at once \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
df.add\_prefix('X\_') & Add a prefix \tn 
% Row Count 7 (+ 1)
% Row 3
\SetRowColor{white}
df.add\_suffix('\_Y') & Add a suffix \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.04 cm} x{2.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Reverse row order}}  \tn
% Row 0
\SetRowColor{LightBackground}
drinks.loc{[}::-1{]}.head() & Reverse only \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
drinks.loc{[}::-1{]}.reset\_index(drop=True).head() & Reverse and reset index \tn 
% Row Count 3 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Reverse column order}}  \tn
% Row 0
\SetRowColor{LightBackground}
drinks.loc{[}:, ::-1{]}.head() & Reverse the left-to-right order of your columns \tn 
% Row Count 2 (+ 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}{Select columns by data type}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{drinks.select\_dtypes(include='number')} & To select only the numeric columns \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
drinks.select\_dtypes(include={[}'number', 'object', 'category', 'datetime'{]}) & Include multiple data types by passing a list \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{drinks.select\_dtypes(exclude='number')} & Exclude certain data types \tn 
% Row Count 8 (+ 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}{Convert strings to numbers}}  \tn
% Row 0
\SetRowColor{LightBackground}
df.astype(\{'col\_one':'float', 'col\_two':'float'\}).dtypes & To do mathematical operations on these columns, we need to convert the data types to numeric.  This will fail if there are '-' or NAN \tn 
% Row Count 7 (+ 7)
% Row 1
\SetRowColor{white}
\seqsplit{pd.to\_numeric(df.col\_three}, \seqsplit{errors='coerce').fillna(0)} & If you know that the NaN values actually represent zeros, you can fill them with zeros using the fillna() method \tn 
% Row Count 13 (+ 6)
% Row 2
\SetRowColor{LightBackground}
df = \seqsplit{df.apply(pd.to\_numeric}, \seqsplit{errors='coerce').fillna(0)} df & you can apply this function to the entire DataFrame all at once by using the apply() method \tn 
% Row Count 18 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}