Introduction to Data Mining

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Chapter 2 Review Exercises

 

Questions:

  1. Answer the following

  1. List the major pre-processing techniques and their uses.

Hint

  1. All discretization algorithms are not optimal. Explain why?

Hint

  1. Accuracy can be used in feature selection to evaluate the goodness of feature sets. Explain

Hint

  1. Why can sampling remove (or reduce) noise?

Hint

  1. Discuss some techniques used for outlier removal.

Hint

 

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