C4.5 is a decision tree algorithm invented by Ross Quinlan in 1993.
Questions tagged [c4.5]
33 questions
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Generating a decision tree using J48 algorithm
I want to create a GUI using NetBeans and using the WEKA library. One button to upload an arff file that contains the data and another to generate a decision tree using J48 algorithm. All the tutorials online shows how to generate using the WEKA…
user3286616
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C4.5 Decision Tree Algorithm doesn't improve the accuracy
I ran C4.5 Pruning algorithm in Weka using 10-fold cross validation. I noticed that the unpruned tree had a higher testing accuracy than a pruned tree. I couldn't understand the reason about why pruning the tree didn't improve the testing accuracy?
Dan
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