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Patrick Ball Honored as New ASA Fellow
We’re very happy to announce that our executive director, Patrick Ball, has been elected as a Fellow of the American Statistical Association (ASA), as announced by ASA President Nathaniel Schenker. Patrick is one of 63 new ASA Fellows to be honored this year in a ceremony at the Joint Statistical Meetings, which will take place this August 5 in Boston, Massachusetts. (more…)
HRDAG’s Year End Review: 2018
In 2018, HRDAG collaborated on work in Guatemala, US criminal justice, and more.
Predictive Policing Reinforces Police Bias
Issues surrounding policing in the United States are at the forefront of our national attention. Among these is the use of “predictive policing,” which is the application of statistical or machine learning models to police data, with the goal of predicting where or by whom crime will be committed in the future. Today Significance magazine published an article on this topic that I co-authored with William Isaac. Significance has kindly made this article open access (free!) for all of October. In the article we demonstrate the mechanism by which the use of predictive policing software may amplify the biases that already pervade our criminal ...
Drug-Related Killings in the Philippines
Patrick Ball, Sheila Coronel, Mariel Padilla and David Mora (2019). Drug-related killings in the Philippines. Human Rights Data Analysis Group. 26 July 2019. © HRDAG 2019.
Patrick Ball, Sheila Coronel, Mariel Padilla and David Mora (2019). Drug-related killings in the Philippines. Human Rights Data Analysis Group. 26 July 2019. © HRDAG 2019.
Measures of Fairness for New York City’s Supervised Release Risk Assessment Tool
Kristian Lum and Tarak Shah (2019). Measures of Fairness for New York City's Supervised Release Risk Assessment Tool. Human Rights Data Analysis Group. 1 October 2019. © HRDAG 2019.
Kristian Lum and Tarak Shah (2019). Measures of Fairness for New York City’s Supervised Release Risk Assessment Tool. Human Rights Data Analysis Group. 1 October 2019. © HRDAG 2019.
Shots fired: Can technology really keep us safe from gunfire?
Bailey Passmore + Larry Barrett. 2025. Shots fired: Can technology really keep us safe from gunfire? Significance, Volume 22, Issue 4, July 2025, Pages 34–37. 27 May 2025. © Royal Statistical Society 2025. https://doi.org/10.1093/jrssig/qmaf042
An expensive American gunshot detection system claims it's necessary because humans don't always call the police to report gunfire. But opponents say it's fatally flawed. To investigate, Bailey Passmore and Larry Barrett analysed data on emergencies within the city of Chicago. Read more.
Bailey Passmore + Larry Barrett. 2025. Shots fired: Can technology really keep us safe from gunfire? Significance, Volume 22, Issue 4, July 2025, Pages 34–37. 27 May 2025. © Royal Statistical Society 2025. https://doi.org/10.1093/jrssig/qmaf042
An expensive American gunshot detection system claims it’s necessary because humans don’t always call the police to report gunfire. But opponents say it’s fatally flawed. To investigate, Bailey Passmore and Larry Barrett analysed data on emergencies within the city of Chicago. Read more.
Welcoming Our 2019-2020 Visiting Data Science Student
Bing Wang has joined HRDAG as a Visiting Data Science Student until the summer of 2020.
How Data Extraction Illuminates Racial Disparities in Boston SWAT Raids
Boston Police deployed SWAT teams disproportionately to Black neighborhoods, sometimes raiding homes with young children. HRDAG extracted data revealing just how disproportionate.
HRDAG and #GivingTuesday 2017
Help us hold human rights violators accountable!
HRDAG at Strata Conference 2014
Last Thursday, HRDAG co-founder and director of research Megan Price presented at Strata, the conference for data scientists and people who work with "big data." In her talk, she addressed the question of how we can know the actual number of conflict casualties in Syrian. Her short answer was, "We don't know." The longer answer was that we have a very good idea of how many conflict casualties have been reported, by several documentation groups, and that we're working on analyzing (more…)
Reflections: Minding the Gap
How might we learn what we don’t know? HRDAG associate Christine Grillo hits the wayback machine and recalls her first exposure to People Against Bad Things, ideas about bias and correlation versus causation, and truth.
HRDAG and #GivingTuesday 2018
Will you help HRDAG advance human rights?
There may have been 14 undocumented Korean “comfort women” in Palembang, Indonesia
Patrick Ball, Ethan Hee-Seok Shin and Hyerin Yang (2018). There may have been 14 undocumented Korean “comfort women” in Palembang, Indonesia. Human Rights Data Analysis Group. 26 December 2018.© 2018 HRDAG. Creative Commons.
Patrick Ball, Ethan Hee-Seok Shin and Hyerin Yang (2018). There may have been 14 undocumented Korean “comfort women” in Palembang, Indonesia. Human Rights Data Analysis Group. 26 December 2018.© 2018 HRDAG. Creative Commons.
Reality and Risk in Our Mortality Study of the Peruvian TRC
HRDAG researchers and analysts at Peru's Truth and Reconciliation Commission (TRC) estimated conflict mortality due to violence using Capture-Recapture methods.
Guatemala 2011 – Developing Sampling Methods to Help Convict Perpetrators
During 36 years of internal armed conflict, which ended in 1996, an estimated 200,000 Guatemalans were killed or disappeared. HRDAG researchers returned to Guatemala in 2006 to analyze a sample of the estimated 46 million records discovered in the archive of the now disbanded Guatemalan National Police. HRDAG statisticians Daniel Guzmán, Romesh Silva, Patrick Ball and Tamy Guberek, together with Paul Zador and Gary Shapiro of the American Statistical Association, developed a multi-stage random sample of the archive to get a clearer picture of its contents. Sampled documents shed light on the disappearance of Guatemalan union leader Edgar Fernando ...
Update on Work in Guatemala and the AHPN
HRDAG has sampled and analyzed documents at Guatemala's AHPN and has testified against war criminals based on that analysis.
How to Become a Data Scientist: My Lessons at HRDAG
I will use the skills and culture I learned from HRDAG’s team to understand how the conflict has affected the people in my country.