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You're reading from Learning pandas High performance data manipulation and analysis using Python

Product type Paperback

Published in Jun 2017

Publisher

ISBN-13 9781787123137

Length 446 pages

Edition 2nd Edition

Languages

Python

Tools

Pandas

Concepts

Data Analysis

Author (1):

Michael Heydt

View More author details

Table of Contents (16) Chapters

Preface

1. pandas and Data Analysis

2. Up and Running with pandas FREE CHAPTER

3. Representing Univariate Data with the Series

4. Representing Tabular and Multivariate Data with the DataFrame

5. Manipulating DataFrame Structure

6. Indexing Data

7. Categorical Data

8. Numerical and Statistical Methods

9. Accessing Data

10. Tidying Up Your Data

11. Combining, Relating, and Reshaping Data

12. Data Aggregation

13. Time-Series Modelling

14. Visualization

15. Historical Stock Price Analysis

Replacing the contents of a column

The contents of a DataFrame can be replaced by assigning a new Series to an existing column using the [] operator. The following demonstrates replacing the Price column with the Price column from rounded_price.

Data for a column can also be replaced (in-place) using a slice.

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Authors (1)

Michael Heydt

Michael Heydt is an independent consultant, programmer, educator, and trainer. He has a passion for learning and sharing his knowledge of new technologies. Michael has worked in multiple industry verticals, including media, finance, energy, and healthcare. Over the last decade, he worked extensively with web, cloud, and mobile technologies and managed user experiences, interface design, and data visualization for major consulting firms and their clients. Michael's current company, Seamless Thingies , focuses on IoT development and connecting everything with everything. Michael is the author of numerous articles, papers, and books, such as D3.js By Example, Instant Lucene. NET, Learning Pandas, and Mastering Pandas for Finance, all by Packt. Michael is also a frequent speaker at .NET user groups and various mobile, cloud, and IoT conferences and delivers webinars on advanced technologies.

See other products by Michael Heydt