During which phase should these non-informative entries be removed in the CRISP-DM model?

An E-retailer uses several important data sources, including web logs which contain all of the information on how customers navigate the web site. There are non-informative entries in the web logs that need to be removed.

During which phase should these non-informative entries be removed in the CRISP-DM model?
A . Modeling
B . Data Preparation
C . Data Understanding
D . Business Understanding

View Answer

Answer: B