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The Python Workshop

You're reading from   The Python Workshop Learn to code in Python and kickstart your career in software development or data science

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781839218859
Length 608 pages
Edition 1st Edition
Languages
Tools
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Authors (6):
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Andrew Bird Andrew Bird
Author Profile Icon Andrew Bird
Andrew Bird
Graham Lee Graham Lee
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Graham Lee
Corey Wade Corey Wade
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Corey Wade
Dr. Lau Cher Han Dr. Lau Cher Han
Author Profile Icon Dr. Lau Cher Han
Dr. Lau Cher Han
Olivier Pons Olivier Pons
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Olivier Pons
Mario Corchero Jiménez Mario Corchero Jiménez
Author Profile Icon Mario Corchero Jiménez
Mario Corchero Jiménez
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Toc

Table of Contents (13) Chapters Close

Preface 1. Vital Python – Math, Strings, Conditionals, and Loops 2. Python Structures FREE CHAPTER 3. Executing Python – Programs, Algorithms, and Functions 4. Extending Python, Files, Errors, and Graphs 5. Constructing Python – Classes and Methods 6. The Standard Library 7. Becoming Pythonic 8. Software Development 9. Practical Python – Advanced Topics 10. Data Analytics with pandas and NumPy 11. Machine Learning Appendix

Visual Analysis

Most people interpret the data visually. They prefer to view colorful, meaningful graphs that make sense of the data. As a data science practitioner, it's your job to create these graphs.

In this section, you will primarily focus on two kinds of graphs: histograms and scatter plots. You will use Python to create these graphs. Although software packages such as Tableau are rather popular, they are essentially drag and drop. Since Python is an all-purpose programming language, the limitations are only what you know and are capable of doing.

The matplotlib Library

A popular Python library for creating graphs is matplotlib. It's traditionally imported as plt, as shown in the following code snippet:

import matplotlib.pyplot as plt
%matplotlib inline

Note the strange second line of code. It basically shows all graphs within Jupyter Notebooks instead of exporting them to external files. It's used when you want to see the graphs right there in...

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