Introduction to SPSS(For SPSS Version 16.0).ppt

Introduction to SPSS(For SPSS Version )
Eric Hamilton
CSSCR
CENTER FOR SOCIAL PUTATION AND RESEARCH
UNIVERSITY OF WASHINGTON
Fall, 2010
Topics Covered in this Introductory Course
SPSS at a glance, basic structure
Cleaning & reformatting your data
Descriptive statistics – frequencies, crosstabs, explore
Charts & graphs: histograms, legacy charts, editing graphs
Resources for learning more about SPSS
SPSS at a glance
SPSS (Statistical Package for the Social Sciences) was designed to offer a more user-friendly data analysis presentation than other statistical software (., S-Plus, R, SAS).
The newest version of SPSS is called “IBM SPSS Statistics 19”. IBM purchased SPSS in 2009. This tutorial refers to use of SPSS . There are some added functions in the new version, but for the most part, the usability is similar.
Opening SPSS
Go to START, PROGRAMS
puters in the CSSCR lab typically have SPSS on the desktop. Select the red box that says SPSS on the top.
Opening a data file in SPSS
Open the version of SPSS you’d like to work with.
Select File>Open>Data.
Select the format of your data with the “Files of type” menu, then locate, select, and open your data file.
Basic structure of SPSS
There are multiple windows in SPSS
The Data Editor Window – shows data in two forms
Data view
Variable view
The Output Viewer Window – shows results of data analysis
The Syntax Editor Window – shows the mand script. This is also where you can type your own mands and run them.
Note: you must perform separate save procedures for the data editor (.sav), output viewer (.spv), and syntax editor (.sps) windows.
Data view vs. Variable view
Data view
Rows are cases
Columns are variables (generally speaking)
Variable view
Rows define the variables
Name, Type, Width, Decimals, Label, Values, Missing, Columns, Align, Measure.
The Measure of variables in the dataset is important:
Scale “continuous”– age, weight, e
Nominal “names”– categories that cannot be ranked (ID numbe