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Forecasting Blog

Demand Forecasting, Sales Planning, Big Data Analytics & IBP

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Flash News

Line chart showing a historical demand volume spike from a liquidation sale event, with weighted average price drop as an indicator of compromised demand signal quality in a supply chain forecasting model

Your Best Volume Month Could Be Destroying Your Forecast: The Hidden Danger of Demand Signal Pollution

Integrated Business Planning process connecting omni-channel demand signals across stores, marketplaces, DTC, and wholesale into a unified supply chain plan

Why Omni-Channel Without an Effective IBP Is Just Expensive Chaos?

Comparison chart showing Chronos-2 forecast accuracy on airline benchmark data versus real-world business data, highlighting the gap between zero-shot performance on memorized versus unknown datasets

Chronos-2 Revisited: When Zero-Shot Forecasting Meets Real-World Data, Does the Magic Hold?

Bar chart comparing Amazon Chronos-2 forecast accuracy against Holt-Winters and SARIMA on airline passenger traffic data, showing WMAPE and Normalized RMSE metrics

Zero-Shot and Ahead of the Pack: What Amazon Chronos Taught Us About the Future of Demand Forecasting

SAP IBP Heuristic vs Optimizer engine comparison for constrained supply chain planning

SAP IBP Heuristic vs Optimizer: Why Defaulting to Heuristic Is Costing Your Supply Chain

planning strategy, ibp, scenario planning, demand planning, plm mapping

Planning Strategy for New Products in SAP IBP

true-demand

Major Roadblocks to Capturing True Demand

supply-chain-challenges-2023-valtitude

Global Supply Chain Challenges 2023 – Preparing For The Storm

How Zillow’s Home-Buying Business Blew Up

Managing Sales Order Deadlocks

Wednesday, August 05, 2026

Tag: Demand Planning LLC

Forecasting Metrics and Diagnostics

Forecasting Efficiency Quotient (FEQ) vs. GMRAE

Dr. Chockalingam July 26, 2011

There are more questions on the comparison between FEQ and GMRAE.  Please review the material on the http://www.demandplanning.net/DemandMetricsExcelTemp.htm.  We will post the comparison shortly.

Best employeesDemand Planning LLC Comment on Forecasting Efficiency Quotient (FEQ) vs. GMRAE

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