图书简介
The new edition of this textbook presents a practical, updated approach to predictive analytics for classroom learning. The authors focus on using analytics to solve business problems and compares several different modeling techniques, all explained from examples using the SAS Enterprise Miner software. The authors demystify complex algorithms to show how they can be utilized and explained within the context of enhancing business opportunities. Each chapter includes an opening vignette that provides real-life examples of how business analytics have been used in various aspects of organizations to solve issues or improve their results. A running case provides an example of a how to build and analyze a complex analytics model and utilize it to predict future outcomes. The new edition includes chapters on clusters and associations and text mining to support predictive models. An additional case is also included that can be used with each chapter or as a semester project.
Chapter 1.- Introduction to Predictive Analytics.- 1.1 Predictive Analytics in Action.- 1.2 Analytics Landscape.- 1.3 Analytics.- 1.3.2 Predictive Analytics.- 1.4 Regression Analysis.- 1.5 Machine Learning Techniques.- 1.6 Predictive Analytics Model.- 1.7 Opportunities in Analytics.- 1.8 Introduction to the Automobile Insurance Claim Fraud Example.- 1.9 Chapter Summary.- References.- Chapter 2.- Know Your Data – Data Preparation.- 2.1 Classification of Data.- 2.1.1 Qualitative versus Quantitative.- 2.1.2 Scales of Measurement.- 2.2. Data Preparation Methods..- 2.2.1 Inconsistent Formats.- 2.2.2 Missing Data.- 2.2.3 Outliers.- 2.2.4 Other Data Cleansing Considerations.- 2.3 Data Sets and Data Partitioning.- 2.4 SAS Enterprise Miner™ Model Components.- 2.4.1 Step 1. Create Three of the Model Components.- 2.4.2 Step 2. Import an Excel File and Save as a SAS File.- 2.4.3 Step 3. Create the Data Source.- 2.4.4 Step 4. Partition the Data Source.- 2.4.5 Step 5 Data Exploration.- 2.4.6 Step 6 Missing Data.- 2.4.7 Step 7. Handling Outliers.- 2.4.8 Step 8. Categorical Variables with Too Many Levels.- 2.5 Chapter Summary.- References.- Chapter 3.- What do Descriptive Statistics Tell Us.- 3.1 Descriptive Analytics.- 3.2 The Role of the Mean, Median and Mode.- 3.3 Variance and Distribution.- 3.4 The Shape of the Distribution.- 3.4.2 Kurtosis.- 3.5 Covariance and Correlation.- 3.6 Variable Reduction.- 3.6.1 Variable Clustering.- 3.6.2 Principal Component Analysis.- 3.7 Hypothesis Testing.- 3.8 Analysis of Variance (ANOVA).- 3.9 Chi Square.- 3. Fit Statistics.- 3. Stochastic Models.- 3.12 Chapter Summary.- References.- Chapter 4.- Predictive Models Using Regression.- 4.1 Regression.- 4.1.1 Classical assumptions.- 4.2 Ordinary Least Squares.- 4.3 Simple Linear Regression.- 4.3.1 Determining Relationship Between Two Variables.- 4.3.2 Line of Best Fit and Simple Linear Regression Equation.- 4.4 Multiple Linear Regression.- 4.4.1 Metrics to Evaluate the Strength of the Regression Line.- 4.3.2 Best-fit model.- 4.3.3 Selection of Variables in Regression.- 4.5 Principal Component Regression.- 4.5.1 Principal Component Analysis Revisited.- 4.5.2 Principal Component Regression.- 4.6 Partial Least Squares.- 4.7 Logistic Regression.- 4.7.1 Binary Logistic Regression.- 4.7.2 Examination of Coefficients.- 4.7.3 Multinomial Logistic Regression.- 4.7.4 Ordinal Logistic Regression.- 4.8 Implementation of Regression in SAS Enterprise Miner™.- 4.8.1 Regression Node Train Properties: Class Targets.- 4.8.2 Regression Node Train Properties: Model Options.- 4.8.3 Regression Node Train Properties: Model Selection.- 4.9 Implementation of Two-Factor Interaction and Polynomial Terms.- 4.9.1 Regression Node Train Properties: Equation.- 4. DMINE Regression in SAS Enterprise Miner™.- 4..1 DMINE Properties.- 4..2 DMINE Results.- 4. Partial Least Squares Regression in SAS Enterprise Miner™.- 4..1 Partial Least Squares Properties.- 4..2 Partial Least Squares Results.- 4. Least Angles Regression in SAS Enterprise Miner™.- 4..1 Least Angle Regression Properties.- 4..2 Least Angles Regression Results.- 4. Other Forms of Regression.- 4. Chapter Summary.- References.- Chapter 5.- The Second of the Big Three – Decision Trees.- 5.1 What is a Decision Tree?.- 5.2 Creating a Decision Tree.- 5.3 Data Partitions and Decision Trees.- 5.4 Creating a Decision Tree Using SAS Enterprise Miner™.- The key properties include:.- Subtree Properties.- 5.4.1 Overfitting.- 5.5 Creating an Interactive Decision Tree using SAS Enterprise Miner ™.- 5.6 Creating a Maximal Decision Tree using SAS Enterprise Miner ™.- 5.7 Chapter Summary.- References.- Chapter 6.- The Third of the Big Three - Neural Networks.- 6.1 What is a Neural Network?.- 6.2 History of Neural Networks.- 6.3 Components of a Neural Network.- 6.4 Neural Network Architectures.- 6.5 Training a Neural Network.- 6.6 Radial Basi
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