# How this equation is derived

Can any one kindly explain how this equation is derived. Has it something to with Bayesian network? Where this equation is normally used?

http://www.ndsu.edu/pubweb/~okhalid/equation.jpg

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See Section 3.4.2 Goodness Of a neighbor.

That should get you started in the answers you are looking for.

Regards -A

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@Amozti: Thanks for your response. I am pretty much aware of the link you have sent. It is the Equation 3.5 of the above link. The question was "How the equation is derived" and there not steps or hints mentioned in the document. –  Osman Khalid Dec 15 '12 at 17:35
I would recommend researching the topic now that you have a name for the algorithm to see if you can get that. An alternative is to contact the author of that report. Regards. –  Amzoti Dec 15 '12 at 18:56
I'll do that, Many Thanks! –  Osman Khalid Dec 23 '12 at 21:21
Thank you, i was new here, so couldn't do it on time. –  Osman Khalid Dec 24 '12 at 0:17
HELPFUL yet again +1 –  amWhy May 14 '13 at 0:28