Book Image

Data Analysis with IBM SPSS Statistics

By : Ken Stehlik-Barry, Anthony Babinec
Book Image

Data Analysis with IBM SPSS Statistics

By: Ken Stehlik-Barry, Anthony Babinec

Overview of this book

SPSS Statistics is a software package used for logical batched and non-batched statistical analysis. Analytical tools such as SPSS can readily provide even a novice user with an overwhelming amount of information and a broad range of options for analyzing patterns in the data. The journey starts with installing and configuring SPSS Statistics for first use and exploring the data to understand its potential (as well as its limitations). Use the right statistical analysis technique such as regression, classification and more, and analyze your data in the best possible manner. Work with graphs and charts to visualize your findings. With this information in hand, the discovery of patterns within the data can be undertaken. Finally, the high level objective of developing predictive models that can be applied to other situations will be addressed. By the end of this book, you will have a firm understanding of the various statistical analysis techniques offered by SPSS Statistics, and be able to master its use for data analysis with ease.
Table of Contents (17 chapters)
4
Dealing with Missing Data and Outliers
10
Crosstabulation Patterns for Categorical Data

Variable properties

Once you successfully read a source data file, the next steps are to establish the variable properties for each variable and then do some data checking.

Here is an example of a portion of a Variable View with variable properties:

The IBM SPSS Statistics Data Editor window presents two views accessible via tabs in the lower left of the window: Data View and Variable View. The Data View shows a flat file view of the data with observations in the rows and variables in the column. The Variable View shows the variables row-wise along with the variable properties. In the Variable View, there are as many rows as there are variables. At the time of writing this, there are 11 default variable properties, plus you can define and add custom attributes.

The variable properties are as follows:

  • Name: Each variable must have a unique variable name
  • Type: The type or format...