Data Mining using approri Algorithm (with database)

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I have a problem when using approri algorithm

the problem is:

have a number of item set={1,2,3,4,5}

i want put it in listbox but by this way:

1,2
1,3
1,4
1,5
2,3
2,4
2,5
3,4
3,5
4,5
1,2,3
1,2,4
1,2,5
1,3,4
1,3,5
1,4,5
2,3,4
2,3,5
3,4,5
1,2,3,4
1,2,3,5
2,3,4,5
1,2,3,4,5
------------

There is any one can help me to found a solution to this Problem

may solved by variation or combination...plz Help

Posted 13-Apr-11 11:39am

minaeleya33

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Comments

Sergey Alexandrovich Kryukov 13-Apr-11 17:40pm

The rule for n-the list item, please, or recursive. A definition.
--SA

Sandeep Mewara 14-Apr-11 1:34am

Any effort?

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Manfred Rudolf Bihy · Answer 1 · 2011-04-13T12:02:00

What you showed in your question seems to be what is defined as a "Power Set"[^] in algebra. A bit of googling gave me this algorithmic definition (danger it's abstract!): http://stackoverflow.com/questions/2779094/what-algorithm-can-calculate-the-power-set-of-a-given-set[^] and finally here you'll find how it is done in SQL: http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=144749[^] with one restriction that it does not work for any number of elements in the starting set.

Now googling that wasn't so hard. Hard was finding the right term "Power Set" as it is known as "Potenzmenge" in my mother tongue.

Hope that helps you along!

Cheer,

-MRB