What appears easy to recognize in retrospect (the cholera map pattern) was extremely difficult to discern when looking only at patient records, suggesting visualization's power lies in making existing patterns cognitively accessible rather than revealing entirely new information.
causalpending
Evidence Quote
“very easy to see retrospectfully but at the very beginning when they look just at the patient and record they just couldn't figure out what was the problem for a very long time”
Created: 8/13/2026, 7:43:31 AM
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