Learning Pandas 2.0: A Comprehensive Guide to Data Manipulation and Analysis for Data Scientists and Machine Learning Professionals
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About this ebook
"Learning Pandas 2.0" is an essential guide for anyone looking to harness the power of Python's premier data manipulation library. With this comprehensive resource, you will not only master core Pandas 2.0 concepts but also learn how to employ its advanced features
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Learning Pandas 2.0 - Matthew Rosch
Learning Pandas 2.0
A Comprehensive Guide to Data Manipulation and Analysis for Data Scientists and Machine Learning Professionals
Matthew Rosch
Copyright © 2023 by GitforGits.
All rights reserved. This book is protected under copyright laws and no part of it may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without the prior written permission of the publisher. Any unauthorized reproduction, distribution, or transmission of this work may result in civil and criminal penalties and will be dealt with in the respective jurisdiction at anywhere in India, in accordance with the applicable copyright laws.
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Content
Preface
Chapter 1: INTRODUCTION TO PANDAS 2.0
Understand Pandas
Introducing Pandas 2.0
Why Pandas for Data Manipulation & Analysis?
Install and Configure Pandas 2.0
Install pip
Create Virtual Environment
Activate the Virtual Environment
Install Pandas 2.0
Verify the Installation
Configure Pandas
Pandas Version History
Pandas 0.1.x (January 2011)
Pandas 0.2.x to 0.9.x (2011-2012)
Pandas 0.10.x to 0.23.x (2013-2018)
Pandas 0.24.x to 1.0.x (2019-2020)
Pandas 1.1.x to 1.3.x (2020-2021)
Pandas 2.0 (2023)
Pandas Data Structures
Series
DataFrame
Load and Modify Dataset
Download CSV File
Load Data
Inspect the Data
Access and Modify Data
Summary
Chapter 2: Data Read, Storage, and File Formats
Reading CSV, Excel and JSON Data
Download Files in JSON and XLS Formats
Read Data using Pandas
Inspect the Data
Perform Data Manipulation and Analysis
Writing Data to Different Formats
Write to JSON Format
Write to Excel (XLSX) Format
Write to HTML Format
Database Interaction with Pandas 2.0
Install sqlite3 Package
Setup SQLite Database
Load Data into SQLite Database
Query SQLite database using Pandas
Perform Data Manipulation and Analysis
Write Data Back to SQLite Database (optional)
Close the Connection
Connect Web APIs
Install HTTP Requests Package
Make API Request and Retrieve Data
Load JSON Data into Pandas DataFrame
Perform Data Manipulation and Analysis
Data Scraping
Install Beautful Soup Package
Fetch HTML Content from Website
Parse HTML Content using Beautiful Soup
Extract Data from HTML Table
Load Data into Pandas DataFrame
Perform Data Manipulation and Analysis
Handling Missing Data
Identify Missing Data
Handle Missing Data
Verify the Changes
Data Transformation and Cleaning
Identify and Handle Missing Data
Rename Columns (optional)
Convert Data Types
Remove Duplicates
Normalize Numerical Columns
Encode Categorical Variables
Reorder or Drop Columns
Verify the Changes
Summary
Chapter 3: Indexing and Selecting Data
Basics of Indexing and Selection
Selecting Columns
Selecting Rows by Index
Selecting Specific Data Points
Conditional Selection
Setting Custom Index
Multi-Indexing and Hierarchical Indexing
Creating Multi-level Index
Accessing Data with Multi-level Index
Slicing with Multi-level Index
Selecting Data at Specific Level
Swapping Levels
Sorting Multi-level Index
Resetting Multi-level Index
Indexing with Booleans and Conditional Selection
Boolean Indexing
Conditional Selection with Multiple Conditions
Using query() Method for Conditional Selection
Using .loc, .iloc, and .at
.loc[] Property
.iloc[] Property
.at[] Property
Slicing and Subsetting Data
Slicing Rows
Slicing Columns
Slicing Rows and Columns
Slicing with loc[] Property
Subsetting Data based on Column Names
Subsetting Data with Cconditions (Boolean Indexing)
Subsetting Data using query() Method
Modifying Data using Indexing and Selection
Modify Single Value using .at[] Property
Modify Single Value using .iat[] Property
Modify Multiple Values in Column using Boolean Indexing
Modify Values in Column using .apply() Method
Modify Values in Multiple Columns using .applymap() Method
Advanced Indexing Techniques
Cross-section (xs()) Method
where() Method
mask() Method
isin() Method
eval() Method
Summary
Chapter 4: Data Manipulation and Transformation
Merging and Joining DataFrames
Merging DataFrames using merge() Function
Joining DataFrames using join() Method
Concatenating and Appending DataFrames
Concatenating DataFrames using concat() Function
Appending DataFrames using append() Method
Sample Program on Concatenate and Append
Pivoting and Melting DataFrames
Pivoting DataFrames using pivot() Method
Melting DataFrames using melt() Function
Data Transformation Functions: apply(), map(), and applymap()
apply() Function
map() Function
applymap() Function
Grouping and Aggregating Data
Custom Aggregation Functions
Summary
Chapter 5: Time Series and DateTime Operations
Introduction to Time Series Data
DateTime Objects and Functions
Timestamp
Period
Timedelta
Time Series Data Manipulation
Frequency Conversion and Resampling
Resampling
Frequency Conversion
Time Zone Handling
Convert to Datetime Dtype
Set Date Column as Index
Convert Datetime Index to Different Time Zone
Perform Time-based Calculations with Time Zone-aware Data
Periods and Period Arithmetic
Create Period Object
Perform Period Arithmetic
Convert Datetime Index to PeriodIndex
Perform Calculations with PeriodIndex
Group Data by Periods
Advanced Time Series Techniques
Rolling Windows
Exponential Moving Average
Time Series Decomposition
Time Series Forecasting
Summary
Chapter 6: Performance Optimization and Scaling
Memory and Computation Efficiency
Choose Appropriate Data types
Loading in Chunks
Use Built-in Optimized Functions
Parallel Processing
Use In-place Operations
Utilizing Dask for Parallel and Distributed Computing
Installing Dask
Importing Dask
Reading Data
Manipulating Data
Computing Result
Distributed Computing
Querying and Filtering Data Efficiently
Vectorized Operations and Performance
Performing Vectorized Operations
Using Cython and Numba for Speed
Cython
Numba
Install Cython and Numba
Using Cython to Speed Up Function
Using Numba to Speed Up Function
Compare Performance
Debugging and Profiling Performance Issues
Memory Usage
Non-vectorized Operations
Inefficient Chaining of Operations
Slow Groupby and Aggregation Operations
Slow Reading and Writing Operations
Summary
Chapter 7: Machine Learning with Pandas 2.0
Introduction to Machine Learning and Pandas
Types of Machine Learning
Role of Pandas in ML
Data Preprocessing for Machine Learning
Inspect the Data
Handle Missing Values
Convert Categorical Data to Numerical
Drop Unnecessary Columns
Feature Scaling
Feature Engineering with Pandas 2.0
Advantages of Feature Engineering
Role of Pandas in Feature Engineering
Handling Imbalanced Data
Load Dataset and Explore Target Variable
Identify Imbalanced Data
Feature Scaling and Normalization
Normalization (Min-Max scaling)
Standardization (Z-score scaling)
Implementing Feature Scaling and Normalization
Train-Test Split and Cross-Validation
Train-Test Split
Cross-Validation
Integration with Scikit-learn, TensorFlow, and PyTorch
Integrating Pandas with Scikit-learn
Integrating Pandas with TensorFlow
Integrating Pandas with PyTorch
Summary
Chapter 8: Text Data and Natural Language Processing
Text Data Cleaning and Preprocessing
str.contains()
str.startswith()
str.endswith()
str.split()
str.strip()
str.replace()
str.lower()
str.upper()
str.len()
str.isnumeric()
str.capitalize()
str.title()
Extracting and Transforming Text Features
Sentiment Analysis with Text Data
Load Data into Pandas DataFrame
Preprocess the Text Data
Convert Text Data to Sparse Matrix of Word Counts
Split Data into Training and Testing Sets
Train Machine Learning Model on Training Data
Make Predictions and Evaluate Model's Accuracy
Visualize the Results
Topic Modeling
Process of Implementing Topic Modeling
Performing Topic Modeling using Latent Dirichlet Allocation (LDA)
Load and Preprocess Text Data
Create a Document-term Matrix
Train the LDA Model
Interpret the Topics
Evaluate the LDA Model
Text Clustering
Text Clustering Procedure
Performing Text Clustering using K-means
Load and Preprocess Text Data
Create Document-term Matrix
Train the K-means Model
Interpret the Clusters
Evaluate the K-means Model
Summary
Chapter 9: Geospatial Data Analysis
Introduction to Geospatial Data and Pandas 2.0
Pandas for Geospatial Analysis
Working with Geospatial Data Formats
GeoJSON
ESRI Shapefile
GPS Exchange Format (GPX)
Keyhole Markup Language (KML)
GeoTIFF
Load, Explore, Transform, and Save Geospatial Data
Download and Extract Dataset
Load Data using GeoPandas
Explore the Data
Transform the Data
Save the Data
Advanced Geospatial Manipulation
Spatial Joins
Performing Spatial Join Operations
Buffer Analysis
Performing Buffer Analysis
Dissolve
Performing Dissolve Operation
Overlay Analysis
Performing Overlay Analysis
Geocoding and Reverse Geocoding
Geocoding
Reverse Geocoding
Implement Geocoding and Reverse Geocoding
Summary
Preface
Learning Pandas 2.0
is an essential guide for anyone looking to harness the power of Python's premier data manipulation library. With this comprehensive resource, you will not only master core Pandas 2.0 concepts, but also learn how to employ its advanced features to perform efficient data manipulation and analysis.
Throughout the book, you will acquire a deep understanding of Pandas 2.0's data structures, indexing, and selection techniques. Gain expertise in loading, storing, and cleaning data from various file formats and sources, ensuring data integrity and consistency. As you progress, you will delve into advanced data transformation, merging, and aggregation methods to extract meaningful insights and generate insightful reports.
Learning Pandas 2.0
also covers specialized data processing needs, such as time series data, DateTime operations, and geospatial analysis. Furthermore, this book demonstrates how to integrate Pandas 2.0 with machine learning libraries like Scikit-learn, TensorFlow, and PyTorch for predictive analytics. This will empower you to build powerful data-driven models to solve complex problems and enhance your decision-making capabilities.
What sets Learning Pandas 2.0
apart from other books is its focus on numerous practical examples, allowing you to apply your newly acquired skills to tricky scenarios. By the end of this book, you will have the confidence and knowledge needed to perform efficient and robust data analysis using Pandas 2.0, setting you on the path to become a data analysis powerhouse.
In this book you will learn how to:
Master core Pandas 2.0 concepts, including data structures, indexing, and selection for efficient data manipulation.
Load, store, and clean data from various file formats and sources, ensuring data integrity and consistency.
Perform advanced data transformation, merging, and aggregation techniques for insightful analysis and reporting.
Harness time series data, DateTime operations, and geospatial analysis for specialized data processing needs.
Visualize data effectively using Seaborn, Plotly, and advanced geospatial visualization tools.
Integrate Pandas 2.0 with machine learning libraries like Scikit-learn, TensorFlow, and PyTorch for predictive analytics.
Gain hands-on experience through real-world case studies and learn best practices for efficient and robust data analysis.
GitforGits
Prerequisites
Whether you're a seasoned data professional or just starting your journey in data science, Learning Pandas 2.0
is the perfect resource to help you harness the power of this cutting-edge library. This book is an absolute resource of practical implementation of Pandas 2.0 in every possible data manipulation and analysis project.
Codes Usage
Are you in need of some helpful code examples to assist you in your programming and documentation? Look no further! Our book offers a wealth of supplemental material, including code examples and exercises.
Not only is this book here to aid you in getting your job done, but you have our permission to use the example code in your programs and documentation. However, please note that if you are reproducing a significant portion of