#TABLEAU CALCULATED FIELD SUBTRACT DATES HOW TO#

IF Create Calculated Field to open the calculation editor. The calculation will evaluate each student's GPA against the cutoff value and assign a label. You want to assign categories based on several thresholds. CONTAINS([Product ID}, 'XYZ')Ī finished viz might look like this, with the calculation on Color. The calculation will return 'true' if the code is present and 'false' if not.

You may want to flag every record that has a certain manufacturing code XYZ in the Product ID field. You may have First name and Last name in two different columns and want a single field for name. Examples of when a calculation might be useful Combine first and last name

#TABLEAU CALCULATED FIELD SUBTRACT DATES HOW TO#

Make sure you understand your data structure and how the viz will be built when determining how to write a calculation. Additionally, the correct value of a calculation may depend on how the data is shaped and how the visualization is set up. It's important to note that there are often several different ways to achieve the same results for a calculated field. Calculations can be created by opening the Analysis menu and selecting Create Calculated Field. A common way to handle this is to create a calculated column (also referred to as a calculated field or just a calculation) that modifies the existing data. Sometimes your data may not have all the pieces you need for your analysis.

Tableau calculated field subtract dates