计算机科学
正规化(语言学)
特征选择
数据挖掘
复制
过程(计算)
封面(代数)
特征(语言学)
回归
人工智能
机器学习
数学
工程类
统计
操作系统
哲学
机械工程
语言学
作者
Maxime C. Cohen,Paul-Emile Gras,Arthur Pentecoste,Renyu Zhang
出处
期刊:Springer series in supply chain management
日期:2022-01-01
卷期号:: 29-67
标识
DOI:10.1007/978-3-030-85855-1_3
摘要
This chapter covers several common methods for demand prediction. We start by presenting the basic linear regression method applied to one SKU. We then explain how to properly structure the dataset. We next discuss two approaches in terms of data aggregation: the centralized approach (which combines the data across all SKUs and estimate a single model) and the decentralized approach (which estimates a different model for each SKU by solely relying on its data). We then cover the topics of feature selection and regularization. Finally, we present several practical concepts, including log transformations and various configurations with fixed effects. We implement each prediction method using the accompanying dataset and we compute the resulting prediction accuracy. We provide comprehensive notebooks to guide the entire process and allow readers to replicate all the steps in their setting of interest.
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