Ice — Pie Models

For decades, the Kimball and Inmon methodologies reigned. Data flows from raw (bottom layer) to staging, to integration, to presentation (top layer). The problem? It is rigid. If you want to change how "Customer Lifetime Value" is calculated, you must rebuild all layers above it.

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is a scoring system used to quickly rank projects. You calculate the score by multiplying or averaging three factors: How much will this project improve the primary metric? Confidence: How sure are you that this will actually work? How simple is this to launch (the inverse of effort)? PIE Prioritization Model For decades, the Kimball and Inmon methodologies reigned