Question 9 of 10Pro Only
How do you perform a comprehensive data quality assessment during EDA? What issues do you look for?
Sample answer preview
Data quality assessment is a systematic evaluation of data fitness for its intended use. Poor quality data leads to flawed analyses and unreliable models, making this assessment critical. Assess completeness by examining missing values across all columns.
data qualitycompletenessaccuracyconsistencyvalidityuniqueness