At least eighty percent of the time spent on a Web-based data mining project is devoted to this.
A) goal idenficiation
B) data preparation
C) data mining
D) interpretation of results

Question

Quizplus · Accepted Answer

Data preparation is the most time-consuming task in Web-based data mining projects. It involves collecting, cleaning, integrating, transforming, and selecting data from various sources for analysis. Goal identification, data mining, and interpretation of results are all important tasks, but they typically do not require as much time as data preparation.

At Least Eighty Percent of the Time Spent on a Web-Based