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Python Data Analysis

Python Data Analysis

By : Ivan Idris
3.9 (16)
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Python Data Analysis

Python Data Analysis

3.9 (16)
By: Ivan Idris

Overview of this book

This book is for programmers, scientists, and engineers who have knowledge of the Python language and know the basics of data science. It is for those who wish to learn different data analysis methods using Python and its libraries. This book contains all the basic ingredients you need to become an expert data analyst.
Table of Contents (22 chapters)
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Python Data Analysis
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Key Concepts
Online Resources
Index

Reading and writing to Excel with pandas


Excel files contain a lot of important data. Of course, we can export that data in other more portable formats such as CSV. However, it is more convenient to read and write Excel files with Python. As is common in the Python world, there is more than one project with the goal of providing Excel I/O capabilities. The modules that we will need to install to get Excel I/O to work with pandas are somewhat obscurely documented. The reason is that the projects that pandas depends on are independent and rapidly developing. The pandas package is picky about the files it accepts as Excel files. These files must have the .xls or .xlsx suffix; otherwise, we get the following error:

ValueError: No engine for filetype: ''

This is easy to fix. For instance, if we create a temporary file, we just give it the proper suffix. If you don't install anything, you will get the following error message:

ImportError: No module named openpyxl.workbook

The following command...

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