• Leland Wilkinson
Part of the Statistics and Computing book series (SCO)


The word variable is derived from the Latin variare, to vary. A variable gives us a method for associating a concept like income with a set of data. Variables are used together with operators in the syntactical portion of our specification language (e.g., death*birth).


Probability Plot Graphic System Military Expenditure Cumulative Standard Normal Distribution Crime Category 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Leland Wilkinson
    • 1
  1. 1.SPSS Inc.ChicagoUSA

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