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Data Mining MCQ

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Data Mining Quick Quiz

Question 1 of 10
  • Data items grouped into relationships and preferences are known as:

    Answer & Explanation

    Correct Answer: Clusters

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  • What is Pig

    Answer & Explanation

    Correct Answer: A programming language that simplifies the common tasks of working with Hadoop.

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  • In which type of analysis is a Kohonen feature map typically employed?

    Answer & Explanation

    Correct Answer: Cluster analysis

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  • What is Hive

    Answer & Explanation

    Correct Answer: Hive enables Hadoop to operate as a data warehouse.

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  • The level of the model that specifies (often graphically) which variables are locally dependent on each other.

    Answer & Explanation

    Correct Answer: Structural Level

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  • To increase the confidence of your state of classification performance on the entire population, you should:

    Answer & Explanation

    Correct Answer: Increase the size of the test dataset

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  • Which of the following is part of a retail customer data mining strategy?

    Answer & Explanation

    Correct Answer: loyalty cards

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  • What is Regression?

    Answer & Explanation

    Correct Answer: Learning a function that maps a data item to a real-valued prediction variable.

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  • Which of the following is NOT a method of combining multiple models into an ensemble model?

    Answer & Explanation

    Correct Answer: Bootstrapping

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  • What is the advantage of the k-Medoids Clustering Algorithm over the k-Means Clustering (Lloyd's) Algorithm?

    Answer & Explanation

    Correct Answer: more resistant to outliers

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  • Data Mining Quick Quiz

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