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SPSS: Quick Look

SPSS: Quick Look

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    SPSS: Quick Look SPSS: Quick Look Presentation Transcript

    • SPSS: Quick Look
    •                      
      Introduction: What is SPSS?
      Originally it is an acronym of Statistical Package for the Social Science but now it stands for Statistical Product and Service Solutions
      One of the most popular statistical packages which can perform highly complex data manipulation and analysis with simple instructions
      IBM SPSS Statistics 18 (formerly SPSS Statistics) puts the power of advanced statistical analysis in your hands.
    • SPSS Program Flow
    • 4
      Data Import Functions
      Primary Functions of the Data Import:
      Create SPSS data files from external files
      Modify, manipulate or enhance existing SPSS data files
      Successful Transfer data to accepted format for processing
    • The Four Windows in SPSS
    • The Four Windows: Data Editor
      Data Editor: Spreadsheet-like system for defining, entering, editing, and displaying data. Extension of the saved file will be “sav.”
    • The Four Windows: Output Viewer
      Output Viewer: Displays output and errors. Extension of the saved file will be “spv.”
    • The Four Windows: Syntax editor
      Syntax Editor: Text editor for syntax composition. Extension of the saved file will be “sps.”
    • The Four Windows: Script Window
      Script Window: Provides the opportunity to write full-blown programs, in a BASIC-like language. Text editor for syntax composition. Extension of the saved file will be “sbs.”
    • Launching SPSS
      The default window will have the data editor
      There are two sheets in the window:
      1. Data view 2. Variable view
    • Click
      Data View window
      The Data View window
      This sheet is visible when you first open the Data Editor and this sheet contains the data
      Click on the tab labeled Variable View
    • Variable View window: Type
    • Click
      Saving the data
      To save the data file you created simply click ‘file’ and click ‘save as.’ You can save the file in different forms by clicking “Save as type.”
    • Sorting the data
      Click ‘Data’ and then click Sort Cases
    • Transforming data
      Click ‘Transform’ and then click ‘Compute Variable…’
    • Click
      Transforming data
      Example: Adding a new variable named ‘numbers’ which is the natural log of height
      Type in numbers in the ‘Target Variable’ box. Then type in ‘numbers’ in the ‘Numeric Expression’ box. Click OK
    • Frequencies
      This analysis produces frequency tables showing frequency counts and percentages of the values of individual variables.
      Descriptive
      This analysis shows the maximum, minimum, mean, and standard deviation of the variables
      Linear regression analysis
      Linear Regression estimates the coefficients of the linear equation
      BasicAnalysis
    • Visit more self help tutorials
      Pick a tutorial of your choice and browse through it at your own pace.
      The tutorials section is free, self-guiding and will not involve any additional support.
      Visit us at www.dataminingtools.net