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Data Mining and Predictive Techniques Quiz
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Data Mining and Predictive Techniques Quiz

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@SmartestTurquoise

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Questions and Answers

Which data mining task involves identifying and assigning a category to an item based on its characteristics?

  • Clustering
  • Regression
  • Classification (correct)
  • Outlier Analysis

    • What type of predictive technique is commonly used for classification in data mining?

  • K-means Clustering
  • Apriori Algorithm
  • Linear Regression
  • Decision Trees (correct)

    • Which data mining task involves identifying groups of similar items based on their characteristics?

  • Clustering (correct)
  • Association Rules
  • Regression
  • Outlier Analysis

    • What is the algorithm discussed in the lecture for classification?

    <p>K-Nearest Neighbors (KNN)</p> Signup and view all the answers

    What is the value of K used in the K-Nearest Neighbors (KNN) example?

    <p>3</p> Signup and view all the answers

    What issue is mentioned in the lecture related to K-Nearest Neighbors (KNN)?

    <p>Scaling issue</p> Signup and view all the answers

    In the classification example provided, what is the class assigned to the query instance with X1=3, X2=7, X3=T, and X4=D?

    <p>Good</p> Signup and view all the answers

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