Comments (1)
Unfortunately, the specification of templates is somewhat tricky for APRIORI. From ? APappearance
‘lhs’, ‘rhs’, ‘both’, ‘items’, ‘none’: character vectors giving
the labels of the items which can appear in the specified
place (rhs, lhs or both for rules and items for itemsets).
This does not mean that the LHS has to contain the specified item and also can contain other items. LHS can only contain the specified items. This is why the rule above is in set 1, but not in set 2.
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Related Issues (20)
- Error in validObject(.Object) : invalid class “ngTMatrix” object: all row indices (slot 'i') must be between 0 and nrow-1 in a TsparseMatrix HOT 1
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- Help installing arules HOT 3
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- Parameter to define minimum support (inclusion) HOT 7
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