CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Database Management
An e-commerce firm analyses its past transaction records and finds that customers who buy a mobile phone very often buy a screen guard in the same purchase. Which data mining technique has the firm used?
The firm has used association rule mining, also called market basket analysis. This technique finds items that frequently occur together in transactions, such as phones and screen guards, rather than grouping customers or predicting a numeric value.
- AAssociation rule miningCorrect
- BClustering
- CRegression forecasting
- DData masking
Explanation
Association rule mining discovers items that frequently occur together, as in market basket analysis. Clustering groups similar records without predefined labels and regression predicts a numeric value. Data masking is a protection technique, not a mining method.
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