week 07 classification algorithms in rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1r-nb.pdfweek...

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Week 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 – datasets.xls Algorithms: Zero-R, One-R, NaiveBayes, K-NN 1

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Page 1: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

Week 07

Classification algorithms in

Rapidminer

� Dataset: playtennis and risk

week 07 – datasets.xls

� Algorithms: Zero-R, One-R, NaiveBayes, K-NN

1

Page 2: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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run in

debug

mode?

Page 3: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Indicates if the

votes should

be weighted by

similarity.

Try with k=1

Page 4: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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unlabled

data

In this example we are

using the same data so we

need to duplicate the

node.

Page 5: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Page 6: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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risk dataset

Page 7: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Why is this so accurate? What is wrong here?

Page 8: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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double click

Page 9: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Page 10: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Page 11: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Page 12: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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Page 13: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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results with k-nn

Page 14: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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results with the Naive Bayes model

Page 15: Week 07 Classification algorithms in Rapidminerpaginas.fe.up.pt/~ec/files_1112/lab07-1R-NB.pdfWeek 07 Classification algorithms in Rapidminer Dataset: playtennis and risk week 07 –

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results with the oneR model