Transcript Opening Weka Select Weka from Start Menu Select Explorer Fall 2003

Opening Weka
Select Weka from Start Menu
Select Explorer
Fall 2003
Data Mining
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Opening a File
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Weka Main Components
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Summary Statistics
Possible Problems:
• Many missing values (16%)
• No examples of one value
Select an attribute
Appears to be a
good predictor of
the class
Visualization
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Tune parameters
Weka Filters
Apply the
Filter
Select Filter
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Tune the parameters
Select a classifier
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Classifiers organized according to type
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Decide how to evaluate
Select class attribute
Apply the classifier
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Decision Tree
Accuracy
List of
Models
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Left-click on model to get
Menu (save, visualize, etc)
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