Ask
Login
0
55kviews
Apply the Apriori algorithm with minimum support of 30% and minimum confidence of 70%, and find all the association rules in the data set
written 9.4 years ago by gravatar for prachi.sagar prachi.sagar • 420 modified 3.9 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k


Consider the following transaction database.

TID Items
01 A,B,C,D
02 A,B,C,D,E,G
03 A,C,G,H,K
04 B,C,D,E,K
05 D,E,F,H,L
06 A,B,C,D,L
07 B,I,E,K,L
08 A,B,D,E,K
09 A,E,F,H,L
10 B,C,D,F

Apply the Apriori algorithm with minimum support of 30% and minimum confidence of 70%, and find all the association rules in the data set
data mining and business intelligence
ADD COMMENT EDIT
2 Answers
4
3.0kviews
written 9.4 years ago by gravatar for prachi.sagar prachi.sagar • 420 modified 4.2 years ago by gravatar for unnon432 unnon432 • 20

Step 1: Scan D for count of each candidate. The candidate list is { A,B,C,D,E,F,G,H,I,K,L}

C1=

I=Itemsets Support count
A 6
B 7
C 6
D 7
E 6
F 3
G 2
H 3
I 1
K 4
L 4

Step 2: Compare candidate support count with minimum support …

Create a free account to keep reading this post.

and 2 others joined a min ago.

ADD COMMENT EDIT
0
1.8kviews
written 7.9 years ago by gravatar for prachi.sagar prachi.sagar • 420 modified 3.7 years ago by gravatar for binitamayekar binitamayekar ★ 6.7k

How minimum support is 3 for 30 %? Can you show me the calculation?

Minimum Support = 30 % => 0.3 * Number of TID = 0.3 * 10 => Minimum Support = 3

Create a free account to keep reading this post.

and 2 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.