apriori programを実行してみた
10件以上クチコミしてる人で足切り
reading test.tb ... [9973 item(s), 3725 transaction(s)] done [0.07s].
支持度信頼度共に0にしたら計算しきれず。支持度1%にしても3つ以上のアイテム集合は発見できず。
0.5%でようやくアイテム3つの集合を発見…。
apriori - find association rules with the apriori algorithm version 4.31 (2007.03.12) (c) 1996-2007 Christian Borgelt reading test.tb ... [9973 item(s), 3725 transaction(s)] done [0.06s]. filtering, sorting and recoding items ... [9973 item(s)] done [0.01s]. creating transaction tree ... done [0.00s]. checking subsets of size 1 2 3 done [238.75s]. writing 05.rul ... [4786531 rule(s)] done [10.56s].
↑かつ10件以上クチコミされている製品で足切り
閾値0.5%で5アイテムの集合を発…見……あれ?
apriori - find association rules with the apriori algorithm version 4.31 (2007.03.12) (c) 1996-2007 Christian Borgelt reading test.tb ... [3155 item(s), 3937 transaction(s)] done [0.08s]. filtering, sorting and recoding items ... [3155 item(s)] done [0.00s]. creating transaction tree ... done [0.01s]. checking subsets of size 1 2 3 4 5 done [131.88s]. writing 05.rule ... [3551069 rule(s)] done [8.28s].
- dataが少ない、スパース過ぎる
- 点数での足切りをやめてみる
- 密な部分に絞ってやる←Webでやる意味なくならない?