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Time Series Analysis with Python Cookbook

You're reading from   Time Series Analysis with Python Cookbook Practical recipes for exploratory data analysis, data preparation, forecasting, and model evaluation

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Product type Paperback
Published in Apr 2025
Publisher
ISBN-13 9781805124283
Length 98 pages
Edition 2nd Edition
Languages
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Author (1):
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Tarek A. Atwan Tarek A. Atwan
Author Profile Icon Tarek A. Atwan
Tarek A. Atwan
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Table of Contents (13) Chapters Close

1. Time Series Analysis with Python Cookbook, Second Edition: Practical recipes for exploratory data analysis, data preparation, forecasting, and model evaluation FREE CHAPTER
2. Getting Started with Time Series Analysis 3. Reading Time Series Data from Files 4. Reading Time Series Data from Databases 5. Persisting Time Series Data to Files 6. Persisting Time Series Data to Databases 7. Working with Date and Time in Python 8. Handling Missing Data 9. Outlier Detection Using Statistical Methods 10. Exploratory Data Analysis and Diagnosis 11. Building Univariate Time Series Models Using Statistical Methods 12. Additional Statistical Modeling Techniques for Time Series 13. Outlier Detection Using Unsupervised Machine Learning

Forecasting univariate time series data with exponential smoothing

In this recipe, you will explore the exponential smoothing technique using the statsmodels library, which offers functionality similar to popular implementations from the R forecast package, such as ets() and HoltWinters(). In statsmodels, there are three different implementations (classes) of exponential smoothing, depending on the nature of the data you are working with:

  • SimpleExpSmoothing: Simple exponential smoothing is used when the time series process lacks seasonality and trend. This is also referred to as single exponential smoothing.
  • Holt: Holt's exponential smoothing is an enhancement of the simple exponential smoothing and is used when the time series process contains only trend (but no seasonality). It is referred to as double exponential smoothing.
  • ExponentialSmoothing: Holt-Winters' exponential smoothing is an enhancement of Holt's exponential smoothing and is used when the time series process...
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