This book is designed to help the managers and researchers in solving statistical problems using SPSS and to help them understand how they can use various statistical tools for their own research problems. SPSS is a very powerful and user friendly computer package for data analyses. It can take data from most other file-types and generate tables, charts, plots, and descriptive statistics, and conduct complex statistical analyses. This book will help students, business managers, academics as well as practicing researchers to solve statistical problems using the latest version of SPSS (16.0). After providing a brief overview of SPSS and basic statistical concepts, the book covers: Descriptive statistics t-tests, chi-square tests, and ANOVACorrelation analysisMultiple and logistics regressionFactor analysis and testing scale reliabilityAdvanced data handling
Chapter 11: Advanced Data Handling in SPSS
Advanced Data Handling in SPSS
In case of research based on secondary data, the number of cases may be quite large. Even in the case of survey and experimental research, it is not uncommon to have a few hundred cases. Researchers may need to run analyses on a subset of the cases or create new variables from the existing variables based on certain conditions. The commands described in this chapter are very useful for managing large and complex data files.
We use the data file of Example 3.1 given in Chapter 3 for illustration. We discuss the following data handling techniques in this chapter:
- Sorting cases
- Merging files
- Aggregating cases
- Splitting files
- Selecting cases
- Computing new variables
All the commands used in ...