January 2023
Beginner to intermediate
528 pages
11h 26m
English
Cleansing and Profiling Data
This chapter covers Objective 2.2 (Identify common reasons for cleansing and profiling datasets) of the CompTIA Data+ exam and includes the following topics:
Duplicate data
Redundant data
Missing values
Invalid data
Non-parametric data
Data outliers
Specification mismatch
Data type validation
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