Data Mining Interview Questions and Answers
The Best LIVE Mock Interview - You should go through before Interview
Freshers / Beginner level questions & answers
Ques 1. What is data mining?
Data mining is the process of discovering patterns, trends, and useful information from large datasets.
Example:
Identifying customer purchasing behavior in an e-commerce dataset.
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Ques 2. Name a popular algorithm for association rule mining.
Apriori algorithm.
Example:
Identifying frequent itemsets in a retail transaction dataset.
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Ques 3. What is the difference between classification and regression?
Classification predicts categorical outcomes, while regression predicts continuous numerical outcomes.
Example:
Classification: Spam or non-spam email. Regression: Predicting house prices.
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