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DATA SCIENCE HANDBOOK This desk reference handbook gives a hands-on experience on various algorithms and popular techniques used in real-time in data science to all researchers working in various domains. Data Science is one of the leading research-driven areas in the modern era. It is having a critical role in healthcare, engineering, education, mechatronics, and medical robotics. Building models and working with data is not value-neutral. We choose the problems with which we work, make assumptions in these models, and decide on metrics and algorithms for the problems. The data…mehr
This desk reference handbook gives a hands-on experience on various algorithms and popular techniques used in real-time in data science to all researchers working in various domains.
Data Science is one of the leading research-driven areas in the modern era. It is having a critical role in healthcare, engineering, education, mechatronics, and medical robotics. Building models and working with data is not value-neutral. We choose the problems with which we work, make assumptions in these models, and decide on metrics and algorithms for the problems. The data scientist identifies the problem which can be solved with data and expert tools of modeling and coding.
The book starts with introductory concepts in data science like data munging, data preparation, and transforming data. Chapter 2 discusses data visualization, drawing various plots and histograms. Chapter 3 covers mathematics and statistics for data science. Chapter 4 mainly focuses on machine learning algorithms in data science. Chapter 5 comprises of outlier analysis and DBSCAN algorithm. Chapter 6 focuses on clustering. Chapter 7 discusses network analysis. Chapter 8 mainly focuses on regression and naive-bayes classifier. Chapter 9 covers web-based data visualizations with Plotly. Chapter 10 discusses web scraping.
The book concludes with a section discussing 19 projects on various subjects in data science.
Audience
The handbook will be used by graduate students up to research scholars in computer science and electrical engineering as well as industry professionals in a range of industries such as healthcare.
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Autorenporträt
Kolla Bhanu Prakash, PhD, is a Professor and Research Group Head for A.I. & Data Science Research group at K L University, India. He has published more than 80 research papers in international and national journals and conferences, as well as authored/edited 12 books and seven patents. His research interests include deep learning, data science, and quantum computing.
Inhaltsangabe
Acknowledgment xi
Preface xiii
1 Data Munging Basics
1 Introduction 1
1.1 Filtering and Selecting Data 6
1.2 Treating Missing Values 11
1.3 Removing Duplicates 14
1.4 Concatenating and Transforming Data 16
1.5 Grouping and Data Aggregation 20
References 20
2 Data Visualization 23
2.1 Creating Standard Plots (Line, Bar, Pie) 26
2.2 Defining Elements of a Plot 30
2.3 Plot Formatting 33
2.4 Creating Labels and Annotations 38
2.5 Creating Visualizations from Time Series Data 42
2.6 Constructing Histograms, Box Plots, and Scatter Plots 44
References 54
3 Basic Math and Statistics 57
3.1 Linear Algebra 57
3.2 Calculus 58
3.2.1 Differential Calculus 58
3.2.2 Integral Calculus 58
3.3 Inferential Statistics 60
3.3.1 Central Limit Theorem 60
3.3.2 Hypothesis Testing 60
3.3.3 ANOVA 60
3.3.4 Qualitative Data Analysis 60
3.4 Using NumPy to Perform Arithmetic Operations on Data 61
3.5 Generating Summary Statistics Using Pandas and Scipy 64
3.6 Summarizing Categorical Data Using Pandas 68
3.7 Starting with Parametric Methods in Pandas and Scipy 84
3.8 Delving Into Non-Parametric Methods Using Pandas and Scipy 87
3.9 Transforming Dataset Distributions 91
References 94
4 Introduction to Machine Learning 97
4.1 Introduction to Machine Learning 97
4.2 Types of Machine Learning Algorithms 101
4.3 Explanatory Factor Analysis 114
4.4 Principal Component Analysis (PCA) 115
References 121
5 Outlier Analysis 123
5.1 Extreme Value Analysis Using Univariate Methods 123
5.2 Multivariate Analysis for Outlier Detection 125
