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David Robinson

Principal Data Scientist at Heap, works in R and Python.

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2020

The 'prisoner coin flipping' puzzle: tidy simulation in R

Solving a puzzle from 538's the Riddler column: if N prisoners have a choice to flip a coin, and go free as long as one coin is flipped and all coins are heads, what strategy should they take to maximize their chances? Another demonstration of probabilistic reasoning and tidy simulation.

2019

2018

Scientific debt

Introducing an analogy to 'technical debt' for data scientists.

Data science at DataCamp

Two months after starting as Chief Data Scientist at DataCamp, I share some thoughts on the role and the team's future.

2017

2016

How to replace a pie chart

An example of replacing a pie chart with a bar chart that communicates more information.

Why I use ggplot2

A response to Jeff Leek about base plotting and the Grammar of Graphics.

2015

2014