Wiley & sas business Series

   Data Cleansing  
  The process of detecting, removing, or correcting incorrect data. 
   Data Management Process  
  A series of well-defi ned steps that take source data, conduct a series of 
operations on it, and deliver it to a predefi ned location. 

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   Datamart  
  A shared repository of data, often used to support functional areas within 
the business. It is sometimes used as the direct access layer to the data 
warehouse. 
   Data Quality  
  A broad term that refers to the accuracy and precision of data being exam-
ined. Data that exhibits high quality correctly quantifi es the real-world 
items it represents. 
   Data Scientist  
  A person who blends deep analytical skills with a scientifi c mindset. They 
often have suffi cient domain expertise to innovate or invent.