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Python Data Analysis - Third Edition

You're reading from  Python Data Analysis - Third Edition

Product type Book
Published in Feb 2021
Publisher Packt
ISBN-13 9781789955248
Pages 478 pages
Edition 3rd Edition
Languages
Authors (2):
Avinash Navlani Avinash Navlani
Profile icon Avinash Navlani
Ivan Idris Ivan Idris
Profile icon Ivan Idris
View More author details
Toc

Table of Contents (20) Chapters close

Preface 1. Section 1: Foundation for Data Analysis
2. Getting Started with Python Libraries 3. NumPy and pandas 4. Statistics 5. Linear Algebra 6. Section 2: Exploratory Data Analysis and Data Cleaning
7. Data Visualization 8. Retrieving, Processing, and Storing Data 9. Cleaning Messy Data 10. Signal Processing and Time Series 11. Section 3: Deep Dive into Machine Learning
12. Supervised Learning - Regression Analysis 13. Supervised Learning - Classification Techniques 14. Unsupervised Learning - PCA and Clustering 15. Section 4: NLP, Image Analytics, and Parallel Computing
16. Analyzing Textual Data 17. Analyzing Image Data 18. Parallel Computing Using Dask 19. Other Books You May Enjoy

Creating a word cloud

As a data analyst, you need to identify the most frequent words and represent them in graphical form to the top management. A word cloud is used to represent a word-frequency plot. It represents the frequency by the size of the word, that is, the more frequent word looks larger in size and less frequent words looks smaller in size. It is also known as a tag cloud. We can create a word cloud using the wordcloud library in Python. We can install it using the following commands:

pip install wordcloud

Or, alternatively, this one:

conda install -c conda-forge wordcloud

Let's learn how to create a word cloud:

  1. Import libraries and load a stopwords list:
# importing all necessary modules
from wordcloud import WordCloud
from wordcloud import STOPWORDS
import matplotlib.pyplot as plt

stopword_list = set(STOPWORDS)

paragraph="""Taj Mahal is one of the beautiful monuments. It is one of the wonders of the world. It was built by Shah Jahan in 1631 in memory of...
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