Fixed Calculation Tableau !!link!! 👑

If you are in doubt, use FIXED . It gives you the most control because it does not try to guess what dimensions are in your view. The Silent Killer: Dimension Filters You must know one danger: Order of Operations .

But LODs require you to think .

Imagine you have a dataset with 10,000 rows. A FIXED calculation runs once, creates a temporary lookup table (e.g., 100 unique customers), and then pastes that result back onto every relevant row. fixed calculation tableau

This is wrong. You need a calculation that ignores the date filter. The FIXED calculation tells Tableau: "Compute this value using these specific dimensions, and ignore all other filters (except context filters and data source filters)." The Syntax FIXED [Customer Name] : MIN([Order Date]) Translation: "Lock onto each unique Customer. Look at all the Order Dates available for that customer (ignoring my current date filters). Give me the very first one." Real-World Example: Customer Retention Imagine you want to know how many new customers you acquired each month.

If you have been using Tableau for more than a few weeks, you have probably hit the wall . If you are in doubt, use FIXED

Result: Tableau looks at all chairs, finds the single highest sales number, and highlights only that row. Do not try to memorize every LOD syntax. Instead, memorize this question:

But when you filter the dashboard to "2024" only, that MIN changes. The customer who first bought in 2020 suddenly shows a first purchase date of 2024. The calculation is . But LODs require you to think

Create the FIXED calculation.