New IHME maps are powered by an array of seemingly unrelated data sets: home health surveys, weather reports, agricultural statistics and more. They were calculated together using “model-based statistics,” a technique borrowed from the field of geographic information systems (GIS).
The Optimist sat down with Damian Walker, deputy director of data and analytics at the Gates Foundation, to talk about how the team approached evaluating the return on a $10 billion health investment, the challenges of evaluating investments in global health, and why these analyses should be a key input in decision-making.
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