JMP® Means Business: Statistical Models for Management

Chapter 18. Finding a Good Multiple Regression Model

• 18.1 Introduction 508

• 18.2 Detail Example: Profit of Bank Branches 510

• 18.3 All Possible Regression Models 512

  • 18.3.1 R2 Criterion 515

  • 18.3.2 RMSE Criterion 515

• 18.4 Stepwise Regression 516

  • 18.4.1 Stepwise Regression Algorithms 516

  • 18.4.2 Stepwise Regression in JMP 517

• 18.5 Candidate Models 523

• 18.6 Model Recommendation 530

  • 18.6.1 Recommended Model for the Bank Branch Profits Example 531

  • 18.6.2 Other Criteria for Including or Excluding X-Variables 532

• 18.7 Summary 533

• 18.8 Problems 534

• 18.9 Case Studies 539

  • 18.9.1 Case Study 1: Real Estate Appraisal 539

  • 18.9.2 Case Study 2: Discrimination in Compensation? 539

18.1 Introduction

An analyst, having the choice of many X-variables for building a model, needs to identify ...