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HRDAG’s Year in Review: 2022

This past year at HRDAG has been about continuing efforts to uncover the truth.

Quantifying Police Misconduct in Louisiana

HRDAG contributes to the project by helping to classify, filter, extract, and standardize the records so that they can be useful in the database.

HRDAG’s Year in Review: 2023

In 2023, HRDAG continued to learn from our partners about resilience and patience.

The John Maddox Prize for Patrick Ball

Congratulations to Patrick on this well deserved award!

Lancet Study Estimates Gaza Death Toll 40% Higher Than Recorded

“Patrick Ball, a statistician at the US-based Human Rights Data Analysis Group not involved in the research, has used capture-recapture methods to estimate death tolls for conflicts in Guatemala, Kosovo, Peru and Colombia.

Ball told AFP the well-tested technique has been used for centuries and that the researchers had reached “a good estimate” for Gaza.”


Gaza death toll 40% higher than official number, Lancet study finds

“Patrick Ball, a statistician at the US-based Human Rights Data Analysis Group not involved in the research, has used capture-recapture methods to estimate death tolls for conflicts in Guatemala, Kosovo, Peru and Colombia.

Ball told AFP the well-tested technique had been used for centuries and that the researchers had reached “a good estimate” for Gaza.”


Dictatorships create a lot of data

Structural Zero Issue 01 Jun 03, 2025 Part One of Our Three Part “Gathering the Data” Series As a statistician, I spend most days trying to wrangle and analyze massive data sets. The specific data I deal with is documentation of human rights violations. My job is to make sense of data that I know is incomplete and answer questions about the past using statistical analysis and scientific reasoning. But where does this data come from? How was it generated, and how do human rights advocates and researchers access it and secure it? To kick off our new newsletter Structural Zero, I’ll be writing a ...

Our work has been used by truth commissions, international criminal tribunals, and non-governmental human rights organizations. We have worked with partners on projects on five continents.

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