January 2023
Beginner to intermediate
528 pages
11h 26m
English
Understanding and Executing Data Manipulation
This chapter covers Objective 2.3 (Given a scenario, execute data manipulation techniques) of the CompTIA Data+ exam and includes the following topics:
Data manipulation
Recoding data
Derived variables
Data merging
Data blending
Concatenation
Data appending
Imputation
Reduction/aggregation ...