week 08 classification evaluation in rapidminerec/files_1011/week 09 - lab.pdf · 2010. 11. 24. ·...
TRANSCRIPT
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Week 08Classification evaluation in
dRapidminer
Dataset: risk Dataset: risk
week 09 – datasets.xls
Algorithms: classification Algorithms: classification
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Decision tree for the risk dataset (same as in the last class).
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3
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Computing the cost of the solution.
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5
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Changing the cost matrix values.Changing the cost matrix values.
6
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Computing the cost of the solution while giving different costs to different errors.
Confusion matrix is the same...
but the overall cost is notbut the overall cost is not.
7
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Using the cost matrix when building the model
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9
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creating a lift chart
10
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11
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lift chart for two models
12
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Lift chart for the naive Bayes model
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