data mining: weka - university of iowauser.engineering.uiowa.edu/~coneng/lectures/weka.pdf · 1 the...
TRANSCRIPT
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The University of Iowa Intelligent Systems Laboratory
Data Mining: WEKA
Shital Shah
The University of Iowa Intelligent Systems Laboratory
Outline
•Preprocessing and “arff” files•Filters, classifiers, and visualization•10-fold cross-validation •Training and testing•Quality measurements•Interpretation of results
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The University of Iowa Intelligent Systems Laboratory
Data Sets
The University of Iowa Intelligent Systems Laboratory
Arff file
@ relation weather@ attribu te No real@ attribu te ou tlook {sunny,overcast,rainy}@ attribu te temperatu re real@ attribu te humidity real@ attribu te windy {TRUE,FALSE}@ attribu te play {yes,no}
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The University of Iowa Intelligent Systems Laboratory
Arff file
The University of Iowa Intelligent Systems Laboratory
Arff file
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The University of Iowa Intelligent Systems Laboratory
Arff file
The University of Iowa Intelligent Systems Laboratory
WEKA
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The University of Iowa Intelligent Systems Laboratory
WEKA Explorer
The University of Iowa Intelligent Systems Laboratory
WEKA
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The University of Iowa Intelligent Systems Laboratory
WEKA
The University of Iowa Intelligent Systems Laboratory
Parameter Distribution
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The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
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The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Classifier
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The University of Iowa Intelligent Systems Laboratory
Classifier
The University of Iowa Intelligent Systems Laboratory
Classifier: J48
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The University of Iowa Intelligent Systems Laboratory
Classifier: J48
The University of Iowa Intelligent Systems Laboratory
Classifier: J48
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The University of Iowa Intelligent Systems Laboratory
Classifier: J48
The University of Iowa Intelligent Systems Laboratory
Classifier: J48
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The University of Iowa Intelligent Systems Laboratory
Classifier: J48
The University of Iowa Intelligent Systems Laboratory
Classifier: PART
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The University of Iowa Intelligent Systems Laboratory
Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Classifier: PART
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The University of Iowa Intelligent Systems Laboratory
Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Visualization
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The University of Iowa Intelligent Systems Laboratory
Visualization
The University of Iowa Intelligent Systems Laboratory
Clustering
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The University of Iowa Intelligent Systems Laboratory
Clustering
The University of Iowa Intelligent Systems Laboratory
Clustering
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The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
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The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
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The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
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The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
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The University of Iowa Intelligent Systems Laboratory
Testing Data Analysis
The University of Iowa Intelligent Systems Laboratory
Classifiers
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The University of Iowa Intelligent Systems Laboratory
Classifiers
The University of Iowa Intelligent Systems Laboratory
Classifiers
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The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
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The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Evaluation
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Visualization
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Data files
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Classifiers
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Filters
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
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The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example