SPSS: Quick Look


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SPSS: Quick Look

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SPSS: Quick Look

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