CODEWITHSUNDEEP
javaubuntucommand-linemachine-learningweka
Haohan Wang
Haohan Wang

Reputation: 607

Weka exception: No source has been specified

I am trying to use weka from ubuntu command line, however, when I execute the following command: 

java -cp ./weka.jar weka.classifiers.trees.J48 -t /data/iris.ARFF

Then, I get 

Weka exception: No source has been specified

Following it, there are a detail explanation of the usage, but I do not think I use it wrongly, since all the websites are talking about using WEKA in that way.

Could someone please help me about this?

Thanks ahead.

Upvotes: 4

Views: 8437

Answers (1)

Haohan Wang
Haohan Wang

Reputation: 607

I have found out the reason myself.
Only on Linux.

There should not be a leading '/' in the path of .arff file.
So the correct way should be: 

java -cp ./weka.jar weka.classifiers.trees.J48 -t data/iris.ARFF

instead of 

java -cp ./weka.jar weka.classifiers.trees.J48 -t /data/iris.ARFF

Upvotes: 5

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