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Published in:
2019 | OriginalPaper | Chapter
10. Trend and Seasonality
Authors : Miguel Ángel Canela, Inés Alegre, Alberto Ibarra
Published in: Quantitative Methods for Management
Publisher: Springer International Publishing
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Abstract
In the last part of this book, we present some elementary methods to deal with time series data. This type of data has already appeared in Chaps. 1 and 2. The example uses monthly sales data of cold weather gear. The analysis is mostly graphical, based on a linear trend with multiplicative seasonals. This provides a simple model for describing the past behavior of the data and for forecasting the values for the next year.