How Univision Revealed Flaws in Costa Rica’s Judicial System

Four years of work and 8,000 judicial rulings later, the team at Univision Data shows how in Costa Rica, a person is more likely to be convicted of a crime if they are assigned a public defense attorney than if they have a private one. Their methodology included web scraping, R and logistic regression — a statistical method common in social sciences but practically unexplored in newsrooms.

Top Ten #ddj: The Week’s Most Popular Data Journalism Links

Here are top data journalism tweets for Apr 10-16, per our NodeXL mapping: Brittany’s posh hotels (@dataspotTLG); Flourish #dataviz tool (@FastCoDesign); US health insurance (@NPR); hexagonal Europe (@MusMekh); visual vocabulary (@ftdata); data internships (@ONS); China’s rising water (@kimmelman); & more.

Top Ten #ddj: The Week’s Most Popular Data Journalism Links

Here are the top data journalism tweets for Mar 27- Apr 2, per our NodeXL mapping: interactive graphics (@driven_by_data); ridiculous news (@twisteddoodles); Malofiej Infographics Awards (@malofiej); Germany’s radio masts (@stimmeonline); Republicans voting with Trump (@FiveThirtyEight); & more.

Paul Myers: News Media Should Not Be Intimidated

The boom of internet technology and social media networks have allowed journalists to access information which had previously been out of reach. Apps, sites and devices let ordinary people in extraordinary circumstances become reporters. However, internet research expert Paul Myers cautions that investigative journalists need to be incredibly sensitive when running stories and never expose innocent people to attack and ridicule.

The Quartz Guide to Bad Data

This guide was written to help Quartz staff identify problems with data they report on. After publishing it on GitHub, we heard from folks in many other industries who also found it helpful, so we’re republishing it here for the benefit of all Quartz readers. The most up-to-date version of this guide can always be found on GitHub. An exhaustive reference to problems seen in real-world data along with suggestions on how to resolve them. As a reporter your world is full of data.