Try:
> inspect(sort(crs$apriori, by="support"))
Graham Williams
http://togaware.com
On 27 June 2014 16:46, Abhinaba Roy <abhinabaroy09@gmail.com> wrote:
> Dear R-helpers,
>
> I have run a basket analysis in Rattle. I've used 'arules'
package.
>
> > crs$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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>
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>
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