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DataCafé

Jason & Jeremy

26 episodes

9 months ago

A key part of the scientific method is communicating the insights to an audience, for any field of research or problem context. This is where the ultimate value comes from: by sharing the cutting-edge results that can improve our understanding of the world and help deliver new innovations in people's lives. Effective science communication sits at the intersection of data, research, and the art of storytelling.In this episode of the DataCafé we have the pleasure of welcoming Laurie Winkless, a...

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A key part of the scientific method is communicating the insights to an audience, for any field of research or problem context. This is where the ultimate value comes from: by sharing the cutting-edge results that can improve our understanding of the world and help deliver new innovations in people's lives. Effective science communication sits at the intersection of data, research, and the art of storytelling.In this episode of the DataCafé we have the pleasure of welcoming Laurie Winkless, a...

Show more...

Episodes (20/26)

DataCafé

Science Communication with physicist Laurie Winkless, author of "Sticky" & "Science and the City"

A key part of the scientific method is communicating the insights to an audience, for any field of research or problem context. This is where the ultimate value comes from: by sharing the cutting-edge results that can improve our understanding of the world and help deliver new innovations in people's lives. Effective science communication sits at the intersection of data, research, and the art of storytelling.In this episode of the DataCafé we have the pleasure of welcoming Laurie Winkless, a...

2 years ago

36 minutes

DataCafé

A Culture of Innovation

Culture is a key enabler of innovation in an organisation. Culture underpins the values that are important to people and the motivations for their behaviours. When these values and behaviours align with the goals of innovation, it can lead to high performance across teams that are tasked with the challenge of leading, inspiring and delivering innovation. Many scientists and researchers are faced with these challenges in various scenarios, yet may be unaware of the level of influence that come...

3 years ago

33 minutes

DataCafé

Scaling the Internet

Do you have multiple devices connected to your internet fighting for your bandwidth? Are you asking your children (or even neighbours!) to get off the network so you can finish an important call? Recent lockdowns caused huge network contention as everyone moved to online meetings and virtual classrooms. This is an optimisation challenge that requires advanced modelling and simulation to tackle. How can a network provider know how much bandwidth to provision to a town or a city to cope with pe...

3 years ago

45 minutes

DataCafé

[Bite] Documenting Data Science Projects

Do you ever find yourself wondering what the data was you used in a project? When was it obtained and where is it stored? Or even just the way to run a piece of code that produced a previous output and needs to be revisited?Chances are the answer is yes. And it’s likely you have been frustrated by not knowing how to reproduce an output or rerun a codebase or even who to talk to to obtain a refresh of the data - in some way, shape, or form. The problem that a lot of project teams face, an...

3 years ago

16 minutes

DataCafé

Landing Data Science Projects: The Art of Change Management & Implementation

Are people resistant to change? And if so, how do you manage that when trying to introduce and deliver innovation through Data Science?In this episode of the DataCafé we discuss the challenges faced when trying to land a data science project. There are a number of potential barriers to success that need to be carefully managed. We talk about "change management" and aspects of employee behaviours and stakeholder management that influence the chances of landing a project. This is especially imp...

3 years ago

29 minutes

DataCafé

[Bite] Version Control for Data Scientists

Data scientists usually have to write code to prototype software, be it to preprocess and clean data, engineer features, build a model, or deploy a codebase into a production environment or other use case. The evolution of a codebase is important for a number of reasons which is where version control can help, such as:collaborating with other code developers (due diligence in coordination and delegation)generating backupsrecording versionstracking changesexperimenting and testingand working w...

3 years ago

15 minutes

DataCafé

Deep Learning Neural Networks: Building Trust and Breaking Bias

We explore one of the key issues around Deep Learning Neural Networks - how can you prove that your neural network will perform correctly? Especially if the neural network in question is at the heart of a mission-critical application, such as making a real-time control decision in an autonomous car. Similarly, how can you establish if you've trained your neural network at the heart of a loan decision agent with a prebuilt bias? How can you be sure that your black box is going to adapt t...

3 years ago

51 minutes

DataCafé

[Bite] Wordle: Winning against the algorithm

The grey, green and yellow squares taking over social media in the last few weeks is an example of the fascinating field of study known as Game Theory. In this bite episode of DataCafé we talk casually about Wordle - the internet phenomenon currently challenging players to guess a new five letter word each day. Six guesses inform players what letters they have gotten right and if they are in the right place. It’s a lovely example of the different ways people approach game strategy throu...

3 years ago

11 minutes

DataCafé

Series 2 Introduction

Looks like we might be about to have a new Series of DataCafé!Recording date: 15 Feb 2022Intro music by Music 4 Video Library (Patreon supporter)Send us a textThanks for joining us in the DataCafé. You can follow us on twitter @DataCafePodcast and feel free to contact us about anything you've heard here or think would be an interesting topic in the future.

3 years ago

5 minutes

DataCafé

[Bite] Why Data Science projects fail

Data Science in a commercial setting should be a no-brainer, right? Firstly, data is becoming ubiquitous, with gigabytes being generated and collected every second. And secondly, there are new and more powerful data science tools and algorithms being developed and published every week. Surely just bringing the two together will deliver success... In this episode, we explore why so many Data Science projects fail to live up to their initial potential. In a recent Gartner report, it is anticipa...

4 years ago

19 minutes

DataCafé

Data Science for Good

What's the difference between a commercial data science project and a Data Science project for social benefit? Often so-called Data Science for Good projects involve a throwing together of many people from different backgrounds under a common motivation to have a positive effect.We talk to a Data Science team that was formed to tackle the unemployment crisis that is coming out of the pandemic and help people to find excellent jobs in different industries for which they have a good skills matc...

4 years ago

36 minutes

DataCafé

[Bite] Data Science and the Scientific Method

The scientific method consists of systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses. But what does this mean in the context of Data Science, where a wealth of unstructured data and variety of computational models can be used to deduce an insight and inform a stakeholder's decision?In this bite episode we discuss the importance of the scientific method for data scientists. Data science is, after all, the application of scientific ...

4 years ago

17 minutes

DataCafé

Data Science on Mars

On 30 July 2020 NASA launched the Mars 2020 mission from Earth carrying a rover called Perseverance, and rotorcraft called Ingenuity, to land on and study Mars. The mission so far has been a resounding success, touching down in Jezero Crater on 18 February 2021, and sending back data and imagery of the Martian landscape since then.The aim of the mission is to advance NASA's scientific goals of establishing if there was ever life on Mars, what its climate and geology are, and to pave the way f...

4 years ago

58 minutes

DataCafé

[Bite] How to hire a great Data Scientist

Welcome to the first DataCafé Bite: a bite-size episode where Jason and Jeremy drop-in for a quick chat about a relevant or newsworthy topic from the world of Data Science. In this episode, we discuss how to hire a great Data Scientist, which is a challenge faced by many companies and is not easy to get right.From endless coding tests and weird logic puzzles, to personality quizzes and competency-based interviews; there are many examples of how companies try to assess how a candidate ha...

4 years ago

14 minutes

DataCafé

Bayesian Inference: The Foundation of Data Science

In this episode we talk about all things Bayesian. What is Bayesian inference and why is it the cornerstone of Data Science?Bayesian statistics embodies the Data Scientist and their role in the data modelling process. A Data Scientist starts with an idea of how to capture a particular phenomena in a mathematical model - maybe derived from talking to experts in the company. This represents the prior belief about the model. Then the model consumes data around the problem - historical data, real...

4 years ago

42 minutes

DataCafé

Apple Tasting: Reinforcement learning for quality control

Have you ever come home from the supermarket to discover one of the apples you bought is rotten? It's likely your trust for that grocer was diminished, or you might stop buying that particular brand of apples altogether. In this episode, we discuss how the quality controls in a production line need to use smart sampling methods in order to avoid sending bad products to the customer, which could ruin the reputation of both the brand and seller.To do this we describe a thought experiment called...

4 years ago

35 minutes

DataCafé

Optimising the Future

As we look ahead to a new year, and reflect on the last, we consider how data science can be used to optimise the future. But to what degree can we trust past experiences and observations, essentially relying on historical data to predict the future? And with what level of accuracy? In this episode of the DataCafé we ask: how can we optimise our predictions of future scenarios to maximise the benefit we can obtain from them while minimising the risk of unknowns?Data Science is made up of many...

4 years ago

35 minutes

DataCafé

US Election Special

What exciting data science problems emerge when you try to forecast an election? Many, it turns out!We're very excited to turn our DataCafé lens on the current Presidential race in the US as an exemplar of statistical modelling right now. Typically state election polls are asking around 1000 people in a state of maybe 12 million people how they will vote (or even if they have voted already) and return a predictive result with an estimated polling error of about 4%.In this episode, we look at ...

5 years ago

31 minutes

DataCafé

Forecasting Solar Radiation Storms

What are solar storms? How are they caused? And how can we use data science to forecast them?In this episode of DataCafé we talk about the Sun and how it drives space weather, and the efforts to forecast solar radiation storms that can have a massive impact here on Earth. On a regular day, the Sun has a constant stream of charged particles, or plasma, coming off its surface into the solar system, known as the solar wind. But in times of high activity it can undergo much more explosive phenome...

5 years ago

40 minutes

DataCafé

Entrepreneurship in Data Science

How do you get your latest and greatest data science tool to make an impact? How can you avoid wasting time building a supposedly great data product only to see it fall flat on launch?In this episode, we discuss how you need to start with the idea before you get to a data product. As all good entrepreneurs know, if you can't sell the idea, you're certainly not going to be able to sell the product. We take inspiration from a particular way of thinking about software engineering called Lean Sta...

5 years ago

50 minutes