Opening Weka Select Weka from Start Menu Select Explorer Fall 2003 Data Mining

Opening a File Fall 2003 Data Mining

Fall 2003 Data Mining

Weka Main Components Fall 2003 Data Mining

Many missing values (16%) No examples of one value Summary Statistics Possible Problems: Many missing values (16%) No examples of one value Select an attribute Visualization Appears to be a good predictor of the class Fall 2003 Data Mining

Fall 2003 Data Mining

Weka Filters Tune parameters Apply the Filter Select Filter Fall 2003 Data Mining

Select a classifier Tune the parameters Fall 2003 Data Mining

Classifiers organized according to type Fall 2003 Data Mining

Fall 2003 Data Mining

Select class attribute Decide how to evaluate Select class attribute Apply the classifier Fall 2003 Data Mining

Decision Tree Accuracy List of Models Fall 2003 Data Mining

Left-click on model to get Menu (save, visualize, etc) Fall 2003 Data Mining

Fall 2003 Data Mining