Standardizing Classifications

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By David Loshin

In the most recent post, we posed a straightforward problem: if we have a reporting or analytical objective that depends on using a dimension for classification, what happens when two different value domains are presumed to map to the same conceptual domain?

More concretely, the example we used was mapping individuals to their car
purchase preferences, but different applications used different car
classifications that did not share the same number of values and the value sets
did not directly map in a one-to-one manner.… Read More