It’s all in the detail – LODs in Tableau Prep

Beyond the what and how of LODs, Francesca Plaskett’s article encourages a mindset shift: treating your data prep as a place to do more than clean and filter, but also to think ahead about calculations, context and usage. If your next workflow involves complicated aggregations, multi-level joins or you wishing you could bring a “group-by” into prep rather than only in the viz layer, you’ll find this blog timely and practical.