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29 Slides On SPSS For Beginners

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SPSS is a great tool for statistical analysis and data modeling. This presentation was put together for the beginner who wants to know how to get started. Topics covered include the history of SPSS, the different types of editors, setting up data variables, and entering data.

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29 Slides On SPSS For Beginners

  2. 2. Statistical Product and Service Solutions. The SPSS acronym used to stand for:
  3. 3. yvessukhu History SPSS has a long heritage • Introduced in 1968. • Was originally developed to facilitate statistical analysis in the social sciences. • Early versions designed to run on mainframe computers. • Purchased by IBM® in 2009 for more than $1 billion dollars!
  4. 4. SPSS: An IBM® Company Now the company is known as:
  5. 5. very user friendly
  6. 6. yvessukhu General Capabilities SPSS has a lot of great features • Can import data from many different sources, such as Microsoft® Excel and SAS®. • Provides analysis tools to generate reports, charts, plots, descriptive statistics, and run advanced statistical analyses. • In addition to user interface, provides a command syntax that can simplify certain things, such as running repetitive tasks.
  7. 7. yvessukhu SPSS Editors Getting familiar with the SPSS user interface • There are different windows that the user uses to interact with SPSS. • These are called “Editors”. • Some of the common Editor windows are: – Data Editor (enter and view your data) – Syntax Editor (edit your data manipulation syntax) – Viewer Editor (view results from your analysis) – Chart Editor (edit and save charts in the chart
  8. 8. data editor
  9. 9. syntax editor
  10. 10. viewer editor
  11. 11. chart editor
  12. 12. yvessukhu Manually Entering Data SPSS makes it easy. • Start with the Data Editor. • There are two tabs at the bottom: – Data View – Variable View • Gives you two ways to enter data: – Start with Data View and just start typing! – Start with Variable View and define your variables first. • Think of variables as labels that describe your
  13. 13. housing data Let’s try it out with some hypothetical
  14. 14. the address, price, year We’ll use built, and square footage to describe each home
  15. 15. entering data with data view Data is entered by row. So, just start typing the data starting with row 1. Notice that SPSS gives each column an arbitrary (e.g. VAR00003) variable (or label) name.
  16. 16. defined our variables If we take a look at the Variable View, SPSS has
  17. 17. our variables look like… SPSS noticed that the first column is text data (the home address). Notice also, that SPSS gives this variable a specific width of 21 characters based on the first entry. That means every subsequent address entry can not be more than 21 characters, unless we change the width here.
  18. 18. we can edit our variables To edit a variable, just click on it and change the value. In this case, we changed the name to “Address” and the width to “30”.
  19. 19. Variable View first Now let’s enter data again, but we’ll start with the
  20. 20. as soon as you type a label…
  21. 21. SPSS pre-populates
  22. 22. edit it Just click on a variable attribute to
  23. 23. clicking on “Type” Now you can edit the variable type. In this case, we would change it to “String” and adjust the Width to a larger value.
  24. 24. clicking on “Label” You can add descriptions (“labels”)to your variables.
  25. 25. entering all our variables
  26. 26. can not have spaces One thing to keep in mind is that variable names (e.g. “YearBuilt” is ok, but “Year Built” will cause an error)
  27. 27. now we can enter our data
  28. 28. yvessukhu Importing Data You can import from a variety of sources. • Easier than manually copying data into SPSS. • You have a lot of out-of-box import options:
  29. 29. IBM® SPSS. It’s that easy to get started with You can download a 14-day trial at: http://www14.software.ibm.com/download/d ata/web/en_US/trialprograms/W110742E067 14B29.html