Business Survival Analysis Using SAS

Contents

About The Book

About the Author

Acknowledgments

Contents

Chapter 1: Data Preparation for Survival Models

Introduction

Step 1: Collect Three Raw Variables

Step 2: Create Three Required Variables

Step 3: Collect and Process Many Predictor Variables

Data Set Structure

Characteristics of the Data Set Used in This Book

Special Considerations for Survival Analysis Data Input

Plan for the Collection of the Required Variables

Five Fundamental Questions for Time-to-Next-Purchase Survival Models

Data Set Creation

(Start, End) Calendar Timeline

Time and Censor Variables

Strata by Previous Purchases

Categorical Variables

Data Preparation with Base SAS, Macros, and SAS/STAT

Multiple Imputation

Winsorization

Binning Using Macros

Data Preparation with ...