Day 27 Instructor-Led Video — Data Quality By Family

Core Claim

Validation gates should reflect family shape, addons, and era rules.

Why It Matters

This is where a familiar label can hide a different rule. Validation gates should reflect family shape, addons, and era rules. When the matrix is named first, the answer stays fair. When it is skipped, the claim sounds cleaner than it is.

Practical Takeaway

Before answering any family-spanning question, write one line that states matrix type, object type, and primary metric.

Common Misread

Using one validation gate for every shape.