would you please tell me the average size of the transactions and the average size of the maximally potentially large itemsets for the two datasets (Retail and Kosarak) which are taken from FIMI repository.

Regards
Maya

Statistics for the original Kosarak dataset are:

Number of transactions: approximately 990,000
Number of distinct items: 41270
Largest item id: 41270
Average transaction length : 8.09997151520906 standard deviation: 23.624398349313864 variance: 558.1121973670637

Statistics for Retail are:

Number of transactions : 88162
Number of distinct items: 16470
Smallest item id: 0
Largest item id: 16469
Average transaction length : 10.305755314080896 standard deviation: 8.162337991148334 variance: 66.62376148174341
Average item support in the database: 55.165513054037646 standard deviation: 568.0639597302245 variance: 322696.66234438214 min value: 1 max value: 50675


For the average size of the maximally potentially large itemsets, I do not have that information, and you would need to define what is a "maximally potentially large itemset". Then you could write some program to calculate that.



Edited 6 time(s). Last edit at 05/22/2016 06:50PM by webmasterphilfv.

Thank you very much for your reply.

Hello,
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