Exam 4: An Excel-Based Data Mining Tool

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A particular categorical attribute value has a predictiveness score of 0.5 and a predictability score of 1.0. The attribute value is

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A

Which relationship is likely to be seen with an interesting clustering of data instances?

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D

A particular categorical attribute value has a predictiveness score of 1.0 and a predictability score of 0.50. The attribute value is

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This iDA component allows us to decide if we wish to process an entire dataset or to extract a representative subset of the data for mining.

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The first row of an iDAV formatted file contains attribute names. The second row reflects attribute types. What is specified in the third row of an iDAV formatted file?

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The single best representative of a class.

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ESX represents the overall similarity of the exemplars contained in an individual class by computing a ____ score.

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A dataset of 1000 instances contains one attribute specifying the color of an object. Suppose that 800 of the instances contain the value red for the color attribute. The remaining 200 instances hold green as the value of the color attribute. What is the domain predictability score for color = green?

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A particular categorical attribute value has a predictiveness score of 0.3 and a predictability score of 0.3. The attribute value is

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Concept class C1C _ { 1 } shows the following information for the categorical attribute Risk Factor. Use this information to answer questions 9 and 10. Risk factor High Risk 25 Medium Risk 10 Low Risk 5 -Suppose that the predictiveness score for risk factor = medium risk is 0.50. How many domain instances have a value of medium risk for the risk factor attribute?

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A certain dataset contains two classes class A and class B each having 100 instances. RuleMaker generates several rules for each class. One rule for class A is given as att1 = value1 # covered = 20 # remaining =60 What percent of the class A instances are covered by this rule?

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Concept class C1C _ { 1 } shows the following information for the categorical attribute Risk Factor. Use this information to answer questions 9 and 10. Risk factor High Risk 25 Medium Risk 10 Low Risk 5 -What is the predictability score for the attribute value medium risk?

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