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Forecasting Blog

Demand Forecasting, Sales Planning, Big Data Analytics & IBP

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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

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?

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

How do you calculate True demand?

Tuesday, June 23, 2026

Tag: RMSE

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

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

Dr. Chockalingam June 11, 2026

Foundation Model Amazon Chronos on Airline data    We tested the Chronos Foundation model with just one simple time series data set that is available everywhere – the Airline Passenger … Read More

AISupplyChainAmazonChronosChronos2DemandPlanningFoundationModelsHoltWintersRMSESARIMATimeSeriesvaltitudeWMAPEZeroShotForecasting Comment on Zero-Shot and Ahead of the Pack: What Amazon Chronos Taught Us About the Future of Demand Forecasting
Inventory Optimization

The Use of The NORMSINV Function In Safety Stock Calculations

Dr. Chockalingam March 28, 2012

There was a question on Linked in about the use of the NORMSINV function in Excel.   Initially the poster mentioned the NORMSDIST function. But for safety stock purposes, you … Read More

inventory managementinventory optimizationMAPERMSE Comment on The Use of The NORMSINV Function In Safety Stock Calculations

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