rohit-parimi · June 28, 2013 23:04
diff --git a/gistfile1.txt b/gistfile1.txt
 Table: 

 UserID  ItemID  clickCount
 1       a       1
 1       b       1
 2       a       1
 2       b       1
 2       c       1
 3       a       1

 Expected Output:

 1 {(2,2), (3,1)}
 2 {(1,2), (3,1}
 3 {(1,1), (2,1)}
	Table:

	UserID ItemID clickCount
	1 a 1
	1 b 1
	2 a 1
	2 b 1
	2 c 1
	3 a 1

	Expected Output:

	1 {(2,2), (3,1)}
	2 {(1,2), (3,1}
	3 {(1,1), (2,1)}