How to Count a Person Exactly Once
It's still just one Naruto.
Last week on Obi The Explorer, I covered a data pipeline built on Fivetran that turns every Typeform survey into a single reusable set of models, rather than a fresh CSV and a fresh script every time. You can read all about it here. Everything was rosy until a survey came through and exposed weaknesses in the modelling. This post explains why counting people isn't the same as counting answers, what had to change in the models to fix it, and how getting it right ended up mattering well outside the warehouse.
