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SPSS Overview. The opening screen. The SPSS windows. Obtain the data. PASW (SPSS). Download the Demo File from the data folder in the course Blackboard site Save it on the desk top Open the saved file with SPSS. Data Editor. Drop down menus. Variable descriptions. Action buttons. - PowerPoint PPT Presentation
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SPSS Overview
The opening screen
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The SPSS windows
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Obtain the data
• Download the Demo File from the data folder in the course Blackboard site
• Save it on the desk top• Open the saved file with SPSS
PASW (SPSS)
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Data EditorVariable
descriptions
Drop down menus
Action buttons
PASW (SPSS)
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SPSS ViewerDrop down
menus Action buttons
Navigation window
Output window
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SPSS Viewer – export results
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Syntax EditorDrop down
menus
Navigation window
Syntax window
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HELP!
PASW (SPSS)
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DATA MANAGEMENT WITH SPSS
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Data management with SPSS
• Read an existing data set– Action buttons: Open data document button– Menu: File → Open → Data
• Entering data – Menu: File → New → Data
• Select a subset of the data– Action buttons: Select cases button– Menu: File → Data → Select cases
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Select all the data for the Ottawa-Gatineau CMA
PASW (SPSS)
Close the original data set once the subset has been created.
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Additional hints on data management
• Defining variable labels– VARIABLE LABELS varname ‘variable label’.
• Define variable level of measurement– VARIABLE LEVEL varname (NOMINAL).
• Define values for code-set– VALUE LABELS varname 1 ‘label1’ 2 ‘label2’ ...
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Merging datasets
• Add new variables or add new cases• Both datasets must be open at the same time• Select one dataset to be the “master”
– The second dataset will be the source of the new cases or new variables
• BOTH datasets must have the same unique case (or record) identifier.
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UNIVARIATE STATISTICS
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Measures of central tendency Menu: Analyze → Descriptive Statistics → Frequencies
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Alternative method to obtain descriptive statistics
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Statistics and chart options
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Do females have a higher after-tax income than males?
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BI-VARIATE ANALYSIS
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Cross-tabulations
• Specify cell-level statistics– Row, column and total %– Chi-square– Other measures of
association– Measures of correlation
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Do women travel further to get to work?
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