SAS® Certification Prep Guide: Advanced Programming for SAS®9, Third Edition

Chapter 13Creating Samples and Indexes

Overview

Introduction

Objectives

Prerequisites

Creating a Systematic Sample from a Known Number of Observations

Overview

Example

Example

Creating a Systematic Sample from an Unknown Number of Observations

Overview

Example

Creating a Random Sample with Replacement

Using the RANUNI Function

Example

Using a Multiplier with the RANUNI Function

Using the CEIL Function

Example

Example

Creating a Random Sample without Replacement

Example

Using Indexes

Overview

Types of Indexes

Creating Indexes in the DATA Step

Overview

Examples

Example

Determining Whether SAS Is Using an Index

Example

Managing Indexes with PROC DATASETS

Overview

Example

Managing Indexes with PROC SQL

Overview

Example

Documenting and Maintaining ...