The Human Rights Data Analysis Group leads the way in data analysis, scientific research, and innovation in scientific methods in the field of human rights.
Our website: https://hrdag.org
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13 years ago, Puerto Rico adopted reforms to try to rein in police abuses.
Today, Kilómetro O, with assistance from @hrdag, published a report showing a pattern of ongoing police violence in Puerto Rico marked by racial bias.
www.kilometro0.org/informes
"Wandering officers" - police officers who kill someone, lie, or engage in other unethical behavior, and then move jurisdictions to evade accountability.
A new, searchable database is helping track them down. https://www.youtube.com/watch?v=_mwPp1_Z7e8
We’re living in a moment where people either believe everything they see online... or nothing at all.
What we need is discernment.
In this conversation with statistician Megan Price, we talk about how understanding bias in data can help us evaluate the numbers we encounter every day.
Watch:
In a year when truth felt fragile, @hrdag doubled down on a simple idea: evidence matters.
Our newly published annual review shows how we bring statistical rigor and scientific values to the defense of human rights—including here in the United States. https://hrdag.org/2026/03/03/hrdags-year-in-review-2025/
This year at HRDAG we re-dedicated ourselves to a shared clarity of purpose, grounded in the Universal Declaration of Human Rights. Our recommitment has been compelled by a dramatic shift in the political environment in the United States that has resulted in the targeting, discrediting, and silencing of institutions involved in human rights work. ...
Today we mourn the assassination of feminist and human rights defender Yanar Mohammed, killed in her own home March 2 in Baghdad.
We join the human rights community in calling for justice and an independent investigation.
The assassination of woman human rights defender Yanar Mohammed, a prominent Iraqi feminist and President of the Organisation of Women’s Freedom in Iraq (OWFI), on 02 March 2026 in Baghdad, constitutes a grave attack against human rights defenders and against the struggle for women’s rights in Iraq. The international, regional and Iraqi signatory organisations express their profound […]
Menlo Park’s gang database included over 100 people listed as “Taliban” members, 93% of whom were Black.
One of them is using California's Racial Justice Act to fight back. https://www.rjaction.org/post/straight-outta-the-gang-database-challenging-gang-allegations-through-the-rja
Since the California Racial Justice Act (CRJA) passed in 2020, San Mateo County has seen very few cases move in the interest of justice, meaning, we have not seen any case move past the prima facie stage. Historically, San Mateo County has been one of the more “law and order” jurisdictions in California, and RJA claims have often been placed in a black hole, with constant denials that racial bias occurs in the criminal justice system.
In 377 HIV clinics in Malawi, statistical sampling is key to assessing the data quality on patient treatment cards.
Done right, sampling can be a powerful tool for catching errors. https://statmodeling.stat.columbia.edu/2026/02/24/survey-statistics-sampling-to-assess-data-quality/
