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dsf_2018.tex
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\documentclass[12pt,aspectratio=169]{beamer}
\usetheme[
sectionpage=progressbar,
subsectionpage=progressbar,
progressbar=frametitle
]{metropolis}
\definecolor{blue-grey-900}{HTML}{263238}
\definecolor{deep-orange-500}{HTML}{FF5722}
\setbeamercolor{normal text}{fg=blue-grey-900, bg=white}
\setbeamercolor{alerted text}{fg=deep-orange-500}
\usepackage{graphicx}
\usepackage{hyphenat}
\usepackage[normalem]{ulem}
\usepackage{polyglossia}
\setdefaultlanguage[variant=british]{english}
\usepackage[english=british]{csquotes}
\usepackage{fontspec}
\setmainfont{Lucida Sans OT}
\setsansfont[Scale=MatchLowercase]{Lucida Sans OT}
\setmonofont[Scale=MatchLowercase]{Lucida Console DK}
\defaultfontfeatures{Ligatures=TeX}
\title{Lessons learned from teaching Data Science}
\author{Gianluca Campanella}
\date{21\textsuperscript{st} April 2018}
\begin{document}
\maketitle
\begin{frame}{Hello!}
\begin{center}
\LARGE%
My name is \textbf{Gianluca}
{\fontspec{Gentium}\textcolor{gray}{[dʒanˈluːka]}}
\end{center}
\end{frame}
\begin{frame}{What I do nowadays}
\LARGE%
\only<1>{%
\begin{center}
I'm a Data Scientist at \\[\bigskipamount]
\includegraphics[height=2.5em]{figures/microsoft} \\[\medskipamount]
in \textbf{Algorithms and Data Science}
\end{center}}
\only<2>{%
\begin{center}
I also run my own company \\[\bigskipamount]
\raisebox{-0.5\height}{\includegraphics[height=2.5em]{figures/estimand}}
\raisebox{-0.5\height}{\huge Estimand.com} \\[\medskipamount]
that provides \\
\textbf{Data Science training and mentoring}
\end{center}}
\end{frame}
\begin{frame}{How I got into teaching}
\LARGE%
\begin{center}
It all started at \\[\bigskipamount]
\includegraphics[height=2.5em]{figures/icl}
\end{center}
\end{frame}
\begin{frame}{Today I want to talk to you about\ldots}
\LARGE%
\begin{enumerate}
\setlength{\itemsep}{\bigskipamount}
\item The skills gap in Data Science
\item The Data Science potential
\item How we implement all this
\end{enumerate}
\end{frame}
\begin{frame}{What I mean by `Data Science'}
\only<1>{%
\begin{center}
\includegraphics[height=0.8\textheight]{figures/data_science_venn_diagram} \\
{\scriptsize%
From S.\ Geringer (originally from D.\ Conway)}
\end{center}}
\only<2>{%
\begin{center}
\Large\bf%
Data\hyp{}driven decision\hyp{}making
\end{center}
\vfill
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Focus is on the problem\hyp{}solving process
\item Multidisciplinary but domain\hyp{}centric
\item Tools are secondary
\end{itemize}}
\end{frame}
\begin{frame}{The Data Science skills gap}
\begin{center}
\Large\it%
The shortage of data scientists is becoming \\[\medskipamount]
a serious constraint in some sectors.
\end{center}
\vfill
\begin{flushright}
--- T.\ H.\ Davenport and D.\ J.\ Patil \\
\textit{Harvard Business Review} (2012)
\end{flushright}
\end{frame}
\begin{frame}{How do we close the skills gap?}
\only<1>{%
\begin{columns}
\begin{column}{0.5\textwidth}
\centering%
{\Large\bf%
Higher Ed} \\[\medskipamount]
`Traditional' degrees \\[\bigskipamount]
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Lots of theory
\item Take a while to catch up
\item More recognition?
\end{itemize}
\end{column}
\begin{column}{0.5\textwidth}
\centering%
{\Large\bf%
Up\hyp{}skilling} \\[\medskipamount]
Bootcamps, MOOCs\ldots \\[\bigskipamount]
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Mostly hands\hyp{}on
\item Adapt faster
\item `Show your skills'
\end{itemize}
\end{column}
\end{columns}}
\only<2>{%
\Large%
How do we ensure\ldots
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Relevance?
\item Quality?
\item Consistency?
\end{itemize}}
\end{frame}
\begin{frame}{The \emph{actual} question}
\LARGE%
\only<1>{%
\begin{center}
How do we realise \\
the potential of Data Science?
\end{center}}
\only<2>{%
\begin{center}
\textcolor{gray}{\sout{How do we realise}} \\
What even is \\
the potential of Data Science?
\end{center}}
\end{frame}
%\section{Potential}
\begin{frame}{The Data Science potential}
\Large%
Data Science promises\ldots
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Automation
\item Risk minimisation
\item Innovation
\end{itemize}
\end{frame}
\begin{frame}{How do we realise this potential?}
\only<1>{%
\begin{center}
\LARGE%
Data Science needs to be \\[\bigskipamount]
{\Huge\textbf{embedded}} \\[\bigskipamount]
within companies and processes
\end{center}}
\only<2>{%
\Large%
This means\ldots
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Build, don't buy
\item Cultivate internally, don't outsource
\item Humans in the loop
\end{itemize}}
\only<3>{%
\Large%
\begin{enumerate}
\setlength{\itemsep}{\medskipamount}
\item Numeracy
\item Culture
\item Adoption
\end{enumerate}}
\end{frame}
\begin{frame}{Numeracy}
\only<1>{%
\begin{center}
\includegraphics[height=0.8\textheight]{figures/xkcd_tasks} \\
{\scriptsize%
From \texttt{xkcd}}
\end{center}}
\only<2>{%
\Large%
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Realise what's possible
\item Determine existing capacity
\item Understand the Data Science process
\end{itemize}}
\end{frame}
\begin{frame}{Don't try to run before you can walk}
\begin{center}
\includegraphics[height=0.8\textheight]{figures/ai_hierarchy} \\
{\scriptsize%
From M.\ Rogati}
\end{center}
\end{frame}
\begin{frame}{Culture}
\only<1>{%
\begin{center}
\Large%
The ROI of Data Science projects \\
is very difficult to predict!
\end{center}
\vfill
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Power law\hyp{}like distribution of returns
\item Failure is \emph{always} an option
\end{itemize}}
\only<2>{%
\begin{center}
\Large%
Embrace a \\
\textbf{high\hyp{}risk, high\hyp{}reward innovation culture}
\end{center}
\vfill
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Iterate quickly $\to$ fail fast
\item Operationalise
\end{itemize}}
\end{frame}
\begin{frame}{Adoption}
\begin{center}
{\Large%
If it's not used in production\ldots}
\vfill\pause
{\LARGE\bf%
It never happened!}
\end{center}
\end{frame}
\begin{frame}{How to realise the Data Science potential}
\only<1>{%
\Large%
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Embed Data Science starting at the top
\item Build and re\hyp{}build\ldots~fast
\item Actually use it!
\end{itemize}}
\only<2>{%
\Huge%
\begin{center}
How?
\end{center}}
\only<3>{%
\LARGE%
\begin{center}
You need \\
\textbf{good people} and \textbf{good teams}
\end{center}}
\end{frame}
\begin{frame}{Attracting and retaining good people}
\Large%
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Have a roadmap
\item Hire for potential
\item Let them choose their tools
\item Give them resources
\item Nurture their curiosity
\end{itemize}
\end{frame}
\begin{frame}{Training good people}
\vspace{2.5em}
\begin{columns}
\begin{column}{0.5\textwidth}
\centering%
{\Large\bf%
Data Analyst} \\[\medskipamount]
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Understands the business
\item Values automation
\item[$\to$] Teach them the pragmatism of the Software Engineer
\end{itemize}
\end{column}
\begin{column}{0.5\textwidth}
\centering%
{\Large\bf%
Software Engineer} \\[\medskipamount]
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Understands the tech
\item Knows automation
\item[$\to$] Train them to recognise what matters to the
business
\end{itemize}
\end{column}
\end{columns}
\pause
\begin{center}
\Large%
Are we up\hyp{}skilling them properly?
\end{center}
\end{frame}
\begin{frame}{Teamwork}
\Large%
A successful Data Science team is\ldots
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Diverse
\item Flexible
\item Collaborative
\end{itemize}
\end{frame}
\begin{frame}{Communication complexity}
\only<1>{%
\begin{columns}
\begin{column}{0.5\textwidth}
\Large\centering%
Communication complexity is \\[\medskipamount]
{\Huge\textbf{quadratic}} \\[\medskipamount]
in the number of \\
team members
\end{column}
\begin{column}{0.5\textwidth}
\centering%
\includegraphics[width=0.8\textwidth]{figures/full_graph}
\end{column}
\end{columns}}
\only<2>{%
\begin{center}
\LARGE%
Make sure there's \\
\textbf{shared understanding}
\end{center}
\vfill
Particularly of\ldots
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item The Data Science workflow
\item Software Engineering best practices
\end{itemize}}
\end{frame}
\begin{frame}{Take-aways}
\Large%
\begin{itemize}
\setlength{\itemsep}{\medskipamount}
\item Embed Data Science and its process
\item Have a roadmap
\item Don't look for unicorns
\end{itemize}
\end{frame}
\end{document}