Question

At what point during the analysis process does a data analyst use a changelog? a) Data collection b) Data cleaning c) Data visualization d) Data interpretation

Answer 1

a) Data collection

Step-by-step explanation:

Data collection helps data analysts and data scientists to keep track of any modifications, additions, or deletions in the data as it is collected or obtained from various sources.This record is valuable for ensuring data quality and understanding any potential biases or anomalies in the data. It can also be helpful during the data cleaning and preparation stage, but its primary use is to document changes during data collection.