Database Reference
In-Depth Information
confidence minval smax arem aval originalSupport support
minlen
0.8 0.1 1 none FALSE TRUE 0.02 1
maxlen target ext
1 frequent itemsets FALSE
algorithmic control:
filter tree heap memopt load sort verbose
0.1 TRUE TRUE FALSE TRUE 2 TRUE
apriori - find association rules with the apriori algorithm
version 4.21 (2004.05.09) (c) 1996-2004 Christian Borgelt
set item appearances …[0 item(s)] done [0.00s].
set transactions …[169 item(s), 9835 transaction(s)] done
[0.00s].
sorting and recoding items … [59 item(s)] done [0.00s].
creating transaction tree … done [0.00s].
checking subsets of size 1 done [0.00s].
writing … [59 set(s)] done [0.00s].
creating S4 object … done [0.00s].
The summary of the itemsets shows that the support of 1-itemsets ranges from
0.02105 to 0.25552. Because the maximum support of the 1-itemsets in the dataset
is only 0.25552, to enable the discovery of interesting rules, the minimum support
threshold should not be set too close to that number.
summary(itemsets)
set of 59 itemsets
most frequent items:
frankfurter sausage ham meat chicken
1 1 1 1 1
(Other)
54
element (itemset/transaction) length distribution:sizes
1
59
Min. 1st Qu. Median Mean 3rd Qu. Max.
1 1 1 1 1 1
summary of quality measures:
support
Min. :0.02105
