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2026-02-25
Survey Statistics: sampling to assess data quality
2026-02-24
In 2010, Bethany Hedt-Gauthier (one of my heroes) let me tag along in her project with the Malawi Ministry of Health. At the time, 270,000 patients were treated at 377 HIV antiretroviral clinics. Patient treatment cards were (and often remain, …
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Edward Tufte on graphs as comparisons
2026-02-24
I’m always going around saying that graphs are comparisons. For example, see Section 2.3 of Regression and Other Stories or the discussion here. “All graphs are comparisons” has four implications: 1. If you’re considering making a graph, think of how …
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