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The Number Without Perimeter
+12%. Correct to the decimal. Nobody in the room could defend it.
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When Aggregation Lies
The general manager wanted his quantity column. The model kept returning a blank. The thirty minutes that followed were not about the formula.
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Your Glossary Isn't Semantics
A definition tells you what a customer is. It doesn't tell you which rows qualify.
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The Table Is Not the Concept
You can define the concept perfectly and still model it wrong.
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False Semantic Consensus
Everyone agreed on the number. That was the problem.
