Improve Forecast Accuracy, Eliminate Excess Inventory, & Maximize Service Levels
In this Video Dr. Thomas Willemain, co–Founder and SVP Research, defines and compares the most useful Forecasting Techniques: Exponential Smoothing, Single Exponential Smoothing, Holt’s Method and Winter’s Method. These videos explain the basic thinking under each technique as well as the math behind them, how they are used in practice and the tradeoff of each method.
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What is Inventory Planning? A Brief Dictionary of Inventory-Related Terms
People involved in the supply chain are likely to have questions about various inventory terms and methods used in their jobs. This note may help by explaining these terms and showing how they relate.

Confused about AI and Machine Learning?
Are you confused about what is AI and what is machine learning? Are you unsure why knowing more will help you with your job in inventory planning? Don’t despair. You’ll be ok, and we’ll show you how some of whatever-it-is can be useful.

Centering Act: Spare Parts Timing, Pricing, and Reliability
In this article, we’ll walk you through the process of crafting a spare parts inventory plan that prioritizes availability metrics such as service levels and fill rates while ensuring cost efficiency. We’ll focus on an approach to inventory planning called Service Level-Driven Inventory Optimization. Next, we’ll discuss how to determine what parts you should include in your inventory and those that might not be necessary. Lastly, we’ll explore ways to enhance your service-level-driven inventory plan consistently.