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Pandas Cookbook

You're reading from   Pandas Cookbook Practical recipes for scientific computing, time series, and exploratory data analysis using Python

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Product type Paperback
Published in Oct 2024
Publisher Packt
ISBN-13 9781836205876
Length 404 pages
Edition 3rd Edition
Languages
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Authors (2):
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William Ayd William Ayd
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William Ayd
Matthew Harrison Matthew Harrison
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Matthew Harrison
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Toc

Table of Contents (14) Chapters Close

Preface 1. pandas Foundations FREE CHAPTER 2. Selection and Assignment 3. Data Types 4. The pandas I/O System 5. Algorithms and How to Apply Them 6. Visualization 7. Reshaping DataFrames 8. Group By 9. Temporal Data Types and Algorithms 10. General Usage and Performance Tips 11. The pandas Ecosystem 12. Other Books You May Enjoy
13. Index

Temporal types – timedelta

Timedeltas are useful for measuring the duration between two points in time. This can be used to measure things like “on average, how much time passed between events X and Y,” which can be helpful to monitor and predict the turnaround time of certain processes and/or systems within your organization. Additionally, timedeltas can be used to manipulate your datetimes, making it easy to “add X number of days” or “subtract Y number of seconds” from your datetimes, all without having to dive into the minutiae of how your datetime objects are stored internally.

How to do it

So far, we have introduced each data type by constructing it directly. However, the use cases where you would construct a timedelta pd.Series by hand are exceedingly rare. More commonly, you will come across this type as the result of an expression that subtracts two datetimes from one another:

ser = pd.Series([
    "2024-01...
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