__________ is the step in data mining that includes addressing missing and erroneous data, reducing the number of variables, defining new variables, and data exploration.
A)Data sampling
B)Data partitioning
C)Data preparation
D)Model assessment

Question

Quizplus · Accepted Answer

Data preparation is the step in data mining that involves handling missing and erroneous data, reducing the number of variables, defining new variables, and exploring the data to check for any patterns or trends. The other options (A, B, D) are steps that come after data preparation in the data mining process.

__________ Is the Step in Data Mining That Includes Addressing