you were right, there was a mistake concerning the input file and the context wasn't initialized, I corrected it but know I have an exception on this: Algoapriori apriori= new Algoapriori(); Exception in thread "AWT-EventQueue-0" java.lang.VerifyError: Constructor must call super() or this() before return in method AlgoApriori.<init>(LContextAprioriV at offset 0 at Int
Forum: The Data Mining / Big Data Forum

Hi Philippe, Thanks for answering me It can't be due to the filepath because I display the file's content in a jTextArea, and it works so I'm sure I've got the right one(path) but I have to say that I switched the printItemsets function's type from void to String, to display the result in a jTextArea. As for the line 140: here it is protected List<ItemsetApriori> generateCandidateSize
Forum: The Data Mining / Big Data Forum

Hi guys! I tried to implement a GUI similar to this one on my own with Netbeans 7.1.2. I had tons of exceptions I don't even know where they come from, on the button that triggers the algorithm Apriori could you help me please ? Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at AlgoApriori.generateCandidateSize1(AlgoApriori.java:140) at AlgoApriori.runAlgo
Forum: The Data Mining / Big Data Forum

Hi everyone, I downloaded the 81st version of spmf, I need to run the Apriori algorithm (Agrawal) by itself, I tried to do it this way First Package{ AlgoAgrawalFaster94 MainTestApriori1 RuleAgrawal RulesAgrawal } Second Package { AlgoApriori ContextApriori Itemset ItemsetApriori Itemsets } of course I changed the packages and the imports, but still not working an
Forum: The Data Mining / Big Data Forum

Hi everyone, I downloaded the 81st version of spmf, I need to run the Apriori algorithm (Agrawal) by itself, I tried to do it this way First Package{ AlgoAgrawalFaster94 MainTestApriori1 RuleAgrawal RulesAgrawal } Second Package { AlgoApriori ContextApriori Itemset ItemsetApriori Itemsets } of course I changed the p
Forum: The Data Mining / Big Data Forum