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Exploratory Data Analysis with Python Cookbook

Exploratory Data Analysis with Python Cookbook

By : Ayodele Oluleye
4.8 (5)
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Exploratory Data Analysis with Python Cookbook

Exploratory Data Analysis with Python Cookbook

4.8 (5)
By: Ayodele Oluleye

Overview of this book

In today's data-centric world, the ability to extract meaningful insights from vast amounts of data has become a valuable skill across industries. Exploratory Data Analysis (EDA) lies at the heart of this process, enabling us to comprehend, visualize, and derive valuable insights from various forms of data. This book is a comprehensive guide to Exploratory Data Analysis using the Python programming language. It provides practical steps needed to effectively explore, analyze, and visualize structured and unstructured data. It offers hands-on guidance and code for concepts such as generating summary statistics, analyzing single and multiple variables, visualizing data, analyzing text data, handling outliers, handling missing values and automating the EDA process. It is suited for data scientists, data analysts, researchers or curious learners looking to gain essential knowledge and practical steps for analyzing vast amounts of data to uncover insights. Python is an open-source general purpose programming language which is used widely for data science and data analysis given its simplicity and versatility. It offers several libraries which can be used to clean, analyze, and visualize data. In this book, we will explore popular Python libraries such as Pandas, Matplotlib, and Seaborn and provide workable code for analyzing data in Python using these libraries. By the end of this book, you will have gained comprehensive knowledge about EDA and mastered the powerful set of EDA techniques and tools required for analyzing both structured and unstructured data to derive valuable insights.
Table of Contents (13 chapters)
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Visualizing data in GGPLOT

GGPLOT is an open source data visualization library originally built within the programming language R. Over the past few years, it has gained significant popularity. It is an implementation of the grammar of graphics, which is a high-level framework for creating plots in a consistent way. GGPLOT also has a Python implementation called plotnine.

The grammar of graphics consists of seven components that abstract the low-level details and allow you to focus on building aesthetically appealing visualizations. The components include data, aesthetics, geometric objects, facets, statistical transformations, coordinates, and themes. These components are described here:

  • Data: This refers to the data we plan to visualize.
  • Aesthetics: This refers to the variables we want to plot, that is, a single variable (x variable) or multiple variables (x and y variables).
  • Geometric object: This refers to the graph we plan to use. An example could be a histogram...
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