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Longitudinal Data and SAS by EdD Ron Cody

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11 Study Three: Producing Summary Reports on a Library Data Set

Introduction

Computing the Number of Books per Patron Visit and by Library

Computing the Number of Patrons by Day of Week and Library

Generating a Table of LC Categories by Age Group and Overall

Introduction

This chapter uses a small data set that represents books borrowed from two different libraries. Each observation in the LIBRARY data set represents a single book, and each borrower can check out one or more books at each visit. What makes this data set interesting is that it can be broken down in many ways. For example, the unit of analysis could be patron visits, LC (Library of Congress) categories, age groups, and so forth. You may want to know the average number of books taken ...

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