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分章的详细题目及解答，具体如下：
文件共131页。
SAS Certificate Base Practice Questions and Detailed Answers
Chapter 1: Basic Concepts
Chapter 2: Referencing Files and Setting Options
Chapter 3: Editing and Debugging SAS Programs
Chapter 4: Creating List Reports
Chapter 5: Creating SAS Data Sets from Raw Data
Chapter 6: Understanding DATA Step Processing
Chapter 7: Creating and Applying User-Defined Formats
Chapter 8: Creating Enhanced List and Summary Reports
Chapter 9: Producing Descriptive Statistics
Chapter 10: Producing HTML Output
Chapter 11: Creating and Managing Variables
Chapter 12: Reading SAS Data Sets
Chapter 13: Combining SAS Data Sets
Chapter 14: Transforming Data with SAS Functions
Chapter 15: Generating Data with DO Loops
Chapter 16: Processing Variables with Arrays
Chapter 17: Reading Raw Data in Fixed Fields
Chapter 18: Reading Free-Format Data
Chapter 19: Reading Date and Time Values
Chapter 20: Creating a Single Observation from Multiple Records
Chapter 21: Creating Multiple Observations from a Single Record
Chapter 22: Reading Hierarchical Files
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