How do you distinguish additive, semi-additive, and non-additive measures in practice?

Shahir
Updated 1 day ago in

While working with data warehouses and BI dashboards, I often see confusion around additive, semi-additive, and non-additive measures.

Conceptually, additive measures can be summed across all dimensions, semi-additive across some dimensions, and non-additive across none. But in practical implementations, especially in financial reporting, inventory tracking, or subscription analytics, the distinctions are not always straightforward.

For example:

  • Revenue is usually additive.

  • Account balances are semi-additive.

  • Ratios like margins are non-additive.

However, modeling and aggregation logic can vary depending on time dimensions, business rules, and reporting requirements.

I would love to hear from the community:

  • How do you explain these differences to business stakeholders?

  • What common mistakes have you seen when modeling these measures?

  • Are there real-world scenarios where the classification becomes tricky?

Looking forward to practical examples and insights.

 
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