What is the first step a data analyst should take to clean their data?
A. Validate the data
B. Remove all outliers
C. Impute missing data
D. Merge duplicate records
E. I don't know this yet.
The Correct Answer is B. remove all outliers.
The first step in data purification is data profiling, which enables us to identify outliers and anomalies in the data.
Once the field has been profiled, it is normalized, de-duplicated, and obsolete information is removed, among other things.