Sunday, February 5, 2012

Classification of data

Data is an attribute that describes an entity or object. Data is usually classified as below

Data variables are also classified as 
  1. Discrete variable : This has only finite set of values and is something that is counted. For eg: Set of words in a document.
  2. Continuous variable: This is usually a range of values and is something that is usually measured. For eg: The temperature in a certain city


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