Digital Echoes: Understanding Patterns of Mass Violence with Data and Statistics

UCSF Sampling Knowledge Hub - Population Size Estimation: Session 3 -

Guest Speaker: Dr. Patrick Ball, Human Rights Data Analysis Group

In human rights data collection, we usually don't know what we don't know, and what we don't know is likely to be systematically different from what we do know Statistical patterns in data tend to reflect how the data were collected rather than changes in the real-world phenomena data purport to represent. Using analysis of killings in Iraq 2005–2010, homicides committed by police in the US 2005–2011, genocide in Guatemala in 1982–1983, and people executed by the police in the Philippines, this talk will discuss the use of capture-recapture methods to estimate total patterns of violence, correcting for heterogeneous underreporting.

We'll discuss how biases in raw data can – sometimes – be addressed through estimation. The examples will be grounded in their use in public debates and in expert testimony in criminal trials for genocide and war crimes.

Friday, April 9 at 10:00am to 12:00pm

Virtual Event
Event Type

Research & Academia


School of Medicine


Students, Postdocs, Faculty, Staff, Alumni




Patterns of Mass Violence, Data and Statistics


Department of Epidemiology & Biostatistics
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