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DA0-001 · Question #128
DA0-001 Question #128: Real Exam Question with Answer & Explanation
The correct answer is A: Recording.. Changing the names of categories for different types of books in a dataset is best described as recording, a process that transforms existing data values into new ones.
Data Concepts and Environments
Question
You are working with a dataset and want to change the names of categories that you used for different types of books. What term best describes this action?
Options
- ARecording.
- BSummarizing
- CAggregating.
- DFiltering.
Explanation
Changing the names of categories for different types of books in a dataset is best described as recording, a process that transforms existing data values into new ones.
Common mistakes.
- B. Summarizing involves reducing a large dataset to a more manageable and meaningful form, typically through descriptive statistics.
- C. Aggregating involves combining data from multiple rows into a single summary row, usually using functions like SUM, AVG, or COUNT.
- D. Filtering involves selecting a subset of data based on specific criteria, without altering the existing values.
Concept tested. Data transformation - recoding
Topics
#Data manipulation#Data recording#Data entry#Categorization
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