Dear R-helpers,
I have run a basket analysis in Rattle. I've used 'arules' package.
> crs$apriori <- apriori(crs$transactions, parameter = list(support=0.100,
confidence=0.100, minlen=2))
and
> str(crs$apriori)
Formal class 'rules' [package "arules"] with 4 slots
..@ lhs :Formal class 'itemMatrix' [package "arules"] with 3 slots
.. .. ..@ data :Formal class 'ngCMatrix' [package "Matrix"] with 5
slots
.. .. .. .. ..@ i : int [1:22] 0 3 0 1 2 3 2 1 3 1 ...
.. .. .. .. ..@ p : int [1:17] 0 1 2 3 4 5 6 7 8 9 ...
.. .. .. .. ..@ Dim : int [1:2] 4 16
.. .. .. .. ..@ Dimnames:List of 2
.. .. .. .. .. ..$ : NULL
.. .. .. .. .. ..$ : NULL
.. .. .. .. ..@ factors : list()
.. .. ..@ itemInfo :'data.frame': 4 obs. of 1 variable:
.. .. .. ..$ labels:Class 'AsIs' chr [1:4] "1" "2" "3" "4"
.. .. ..@ itemsetInfo:'data.frame': 0 obs. of 0 variables
..@ rhs :Formal class 'itemMatrix' [package "arules"] with 3 slots
.. .. ..@ data :Formal class 'ngCMatrix' [package "Matrix"] with 5
slots
.. .. .. .. ..@ i : int [1:16] 3 0 1 0 3 2 1 2 1 3 ...
.. .. .. .. ..@ p : int [1:17] 0 1 2 3 4 5 6 7 8 9 ...
.. .. .. .. ..@ Dim : int [1:2] 4 16
.. .. .. .. ..@ Dimnames:List of 2
.. .. .. .. .. ..$ : NULL
.. .. .. .. .. ..$ : NULL
.. .. .. .. ..@ factors : list()
.. .. ..@ itemInfo :'data.frame': 4 obs. of 1 variable:
.. .. .. ..$ labels:Class 'AsIs' chr [1:4] "1" "2" "3" "4"
.. .. ..@ itemsetInfo:'data.frame': 0 obs. of 0 variables
..@ quality:'data.frame': 16 obs. of 3 variables:
.. ..$ support : num [1:16] 0.16 0.16 0.169 0.169 0.321 ...
.. ..$ confidence: num [1:16] 0.619 0.244 0.654 0.242 0.661 ...
.. ..$ lift : num [1:16] 0.943 0.943 0.935 0.935 1.007 ...
..@ info :List of 4
.. ..$ data : language crs$transactions
.. ..$ ntransactions: int 894
.. ..$ support : num 0.1
.. ..$ confidence : num 0.1
How can I extract the set of rules from crs$apriori?
--
Regards
Abhinaba Roy
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