Data Mining

Many problems ask for a sparsified version of the object. This has many benefits as noted in the text. The text, however, does not address any negative aspect(s) or effects.

What are a sample of negative effects if this, and how would you mitigate or lessen these effects?   

The paper should be 2 pages excluding the title page and reference section, the paper should be double spaced, and please use APA.