USING ONLY WEKA
Given the vote dataset attached.
After you load the dataset in Weka, select the 'Associate' tab. By default, the Algorithm should be Apriori. (If not, then choose and select Apriori). Now select the box to see the settings for Apriori and run Association Rules based on the following thresholds:
a) LowerBound Min Support = 30% & Confidence = 90% (Describe the largest itemset from the list of best rules)
b) LowerBound MinSupport = 50% & Confidence = 100% (Describe the best rules found)
Note: Confidence is listed under Metric Type