Watson Analytics Preps the Data

In InfoWorld:  Looking forward to seeing this.  It is a very key thing to getting analytics done right.  " ... "Often what business users do is rely on a data scientist or business analysts to help them, which can be too slow, or those people may not be available. So they make a decision without any analysis," said Eric Sall, IBM vice president of marketing for business analytics. ... ".  Cleansing, though,  can be a subjective thing,  removing some of the useful essences of knowledge.  So I want to see the details here before handing over the data.