data mining: weka - university of...
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Data Mining: WEKA
The University of Iowa Intelligent Systems Laboratory
Outline
•Preprocessing and “arff” files•Filters, classifiers, and visualization10 f ld lid i
The University of Iowa Intelligent Systems Laboratory
•10-fold cross-validation •Training and testing•Quality measurements•Interpretation of results
Data Mining Procedures
• Prepare the data into desired formats• Preprocess the data if necessary• Select different algorithms based on
The University of Iowa Intelligent Systems Laboratory
• Select different algorithms based on application or domain expertise
• Evaluate the results and repeat experiments again if necessary
Data Sets
The University of Iowa Intelligent Systems Laboratory
Arff file
@ relation weather@ attribu te No real
The University of Iowa Intelligent Systems Laboratory
@ 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}
Arff file
The University of Iowa Intelligent Systems Laboratory
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Arff file
The University of Iowa Intelligent Systems Laboratory
Arff file
The University of Iowa Intelligent Systems Laboratory
WEKA
The University of Iowa Intelligent Systems Laboratory
WEKA Explorer
The University of Iowa Intelligent Systems Laboratory
WEKA
The University of Iowa Intelligent Systems Laboratory
WEKA
The University of Iowa Intelligent Systems Laboratory
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Parameter Distribution
The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
Filters
The University of Iowa Intelligent Systems Laboratory
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Filters
The University of Iowa Intelligent Systems Laboratory
Classifier
The University of Iowa Intelligent Systems Laboratory
Classifier
The University of Iowa Intelligent Systems Laboratory
Classifiers
The University of Iowa Intelligent Systems Laboratory
Classifiers
The University of Iowa Intelligent Systems Laboratory
Classifiers
The University of Iowa Intelligent Systems Laboratory
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Decision Tree
The University of Iowa Intelligent Systems Laboratory
Decision Tree
The University of Iowa Intelligent Systems Laboratory
Decision Tree
The University of Iowa Intelligent Systems Laboratory
Decision Tree
The University of Iowa Intelligent Systems Laboratory
Decision Tree
The University of Iowa Intelligent Systems Laboratory
Decision Tree
The University of Iowa Intelligent Systems Laboratory
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Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Classifier: PART
The University of Iowa Intelligent Systems Laboratory
Neural Networks
The University of Iowa Intelligent Systems Laboratory
Neural Networks
The University of Iowa Intelligent Systems Laboratory
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Neural Networks
The University of Iowa Intelligent Systems Laboratory
Association Rules
The University of Iowa Intelligent Systems Laboratory
Association Rules
The University of Iowa Intelligent Systems Laboratory
Association Rules
The University of Iowa Intelligent Systems Laboratory
Visualization
The University of Iowa Intelligent Systems Laboratory
Visualization
The University of Iowa Intelligent Systems Laboratory
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Clustering
The University of Iowa Intelligent Systems Laboratory
Clustering
The University of Iowa Intelligent Systems Laboratory
Clustering
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
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Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
Test Data Analysis
The University of Iowa Intelligent Systems Laboratory
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Knowledge Flow: Evaluation
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Visualization
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Data files
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Classifiers
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Filters
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
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Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
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Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory
Knowledge Flow: Example
The University of Iowa Intelligent Systems Laboratory