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âEl reto de la estadĂstica es encontrar lo escondidoâ: experto en manejo de datos sobre el conflicto
In this interview with Colombian newspaper El Espectador, Patrick Ball is quoted as saying “la gente que no conoce de ĂĄlgebra nunca deberĂa hacer estadĂsticas” (people who don’t know algebra should never do statistics).
“SurmortalitĂ© carcĂ©rale” sous HabrĂ©
Le statisticien amĂ©ricain Patrick Ball, expert au procĂšs de HissĂšne HabrĂ©, a dĂ©clarĂ© vendredi que le taux de mortalitĂ© d’opposants tchadiens prĂ©sumĂ©s dans les prisons du rĂ©gime HabrĂ© Ă©tait encore pire que celui des prisonniers de guerre amĂ©ricains dans les camps japonais.
Direct procÚs Habré: le taux de mortalité dans les centres de détention, au menu des débats
Statisticien, Patrick Ball est Ă la barre ce vendredi matin. Lâexpert est entendu sur le taux de mortalitĂ© dans les centres de dĂ©tention au Tchad sous HabrĂ©. DĂ©signĂ© par la chambre d’accusation, il dira avoir axĂ© ses travaux sur des tĂ©moignages, des donnĂ©es venant des victimes et des documents de la DDS (Direction de la Documentation et de la SĂ©curitĂ©).
Sous la dictature dâHissĂšne HabrĂ©, le ridicule tuait
Patrick Ball, un expert en statistiques engagé par les Chambres africaines extraordinaires, a conclu que la « mortalité dans les prisons de la DDS fut substantiellement plus élevée que celles des pires contextes du XXe siÚcle de prisonniers de guerre ».
Are journalists lowballing the number of Iraqi war dead?
The Columbia Journalism Review investigates the casualty count in Iraq, more than a decade after the U.S. invasion. HRDAG executive director Patrick Ball is quoted. âIBC is very good at covering the bombs that go off in markets,â said Patrick Ball, an analyst at the Human Rights Data Analysis Group who says his whole career is to study âpeople being killed.â But quiet assassinations and military skirmishes away from the capital often receive little or no media attention.
Unbiased algorithms can still be problematic
âUsually, the thing youâre trying to predict in a lot of these cases is something like rearrest,â Lum said. âSo even if we are perfectly able to predict that, weâre still left with the problem that the human or systemic or institutional biases are generating biased arrests. And so, you still have to contextualize even your 100 percent accuracy with is the data really measuring what you think itâs measuring? Is the data itself generated by a fair process?â
HRDAG Director of Research Patrick Ball, in agreement with Lum, argued that itâs perhaps more practical to move it away from bias at the individual level and instead call it bias at the institutional or structural level. If a police department, for example, is convinced it needs to police one neighborhood more than another, itâs not as relevant if that officer is a racist individual, he said.
Karl E. Peace Award Recognizes Work of Patrick Ball
The American Statistical Associationâs 2018 Karl E. Peace Award for Outstanding Statistical Contributions for the Betterment of Society recently recognized the work of leading human rights mathematician Patrick Ball of the Human Rights Data Analysis Group (HRDAG). The award is presented annually to statisticians whose exemplary statistical research is matched by the impact their work has had on the lives of people.
Established by the family of Karl E. Peace in honor of his work for the good of society, the awardâannounced at the Joint Statistical Meetingsâis bestowed upon distinguished individual(s) who have made substantial contributions to the statistical profession, contributions that have led in direct ways to improving the human condition. Recipients will have demonstrated through their accomplishments their commitment to service for the greater good.â
This year, Ball became the 10th recipient of the award. Read more …
Justice by the Numbers
Wilkerson was speaking at the inaugural Conference on Fairness, Accountability, and Transparency, a gathering of academics and policymakers working to make the algorithms that govern growing swaths of our lives more just. The woman who’d invited him there was Kristian Lum, the 34-year-old lead statistician at the Human Rights Data Analysis Group, a San Francisco-based non-profit that has spent more than two decades applying advanced statistical models to expose human rights violations around the world. For the past three years, Lum has deployed those methods to tackle an issue closer to home: the growing use of machine learning tools in America’s criminal justice system.
New publication in BIOMETRIKA
Machine learning is being used to uncover the mass graves of Mexicoâs missing
“Patrick Ball, HRDAGâs Director of Research and the statistician behind the code, explained that the Random Forest classifier was able to predict with 100% accuracy which counties that would go on to have mass graves found in them in 2014 by using the model against data from 2013. The model also predicted the counties that did not have mass hidden graves found in them, but that show a high likelihood of the possibility. This prediction aspect of the model is the part that holds the most potential for future research.”
HRDAG Report on Disappeared Tamils in Army Custody in Sri Lanka
Reality and Risk in Our Mortality Study of the Peruvian TRC
The UDHR Turns 70
Deaths in Custody during the Armed Conflict in Syria, 2011â2023
Maria Gargiulo, Tarak Shah, Megan Price (2024). Deaths in Custody during the Armed Conflict in Syria, 2011â2023. Human Rights Data Analysis Group. 10 December, 2024. © 2024 HRDAG. Creative Commons BY-NC-SA.