Day 3 — The messy middle: cleaning half a billion years
The visualisations were the fun part. The hard part was the data.
PBDB records arrive in wildly inconsistent formats — ranks that disagree, geological intervals with different spellings, coordinates in different conventions. Cleaning that pipeline took most of the build: normalising names, standardising ranks, merging intervals, mapping palaeocoordinates, caching everything so big clades still render fast.
The lesson stuck: a dashboard is only as good as its data pipeline.
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