Wiley & sas business Series

   Training Table  
  A table containing data that is to be used to develop a model. 
   Transformation  
  A mathematically defi ned way of taking data and altering it based on a 
generalized mapping function, often with the goal of creating a different 
way of looking at the data in an easily reversible way. Common examples 
include taking the natural logarithm or exponentiation. 
   Unstructured Data  
  Data that cannot fi t cleanly into a predefi ned structure. 
   Upsell  
  A process by which customers are upgraded to more expensive products, 
replacing their existing products. 
   Value  
  The intrinsic and extrinsic worth of an asset or outcome to an individual 
or organization.