Could you please give me an idea of the typical range on a per record basis for a deduplication (data cleansing) project?
Sid Adelman’s Answer: There is no meaningful range. It will depend on:
Chuck Kelley’s Answer: A typical range of what? Cost? Records Combined? Each project will be different. I have seen as much as 50:1 and as little as 1.1:1 in terms of combining records. There will need to be some analysis done on how bad the data is and how much is it worth to have a "perfectly" cleansed environment. You can do a 75 percent cleansing of name and address rather inexpensively. To do a "perfect" cleans can cost another 50 times as much. How much is it worth to your business?
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