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I want to cluster a list of property addressed based on distance and limit the size of each cluster.

The properties are currently assigned to modules by discretion of managers. But I hope to develop a system to assign properties automatically based on minimized distance to module center and limit the size of properties and units in each cluster.

The number of clusters are predefined.

I found this article with the algorithm I'm looking for.

Clustering with Size Constraints

Please bear with me since I new to clustering and algorithm design. I get the idea of the algorithm in the article. But since I have very basic math and programming background, there're some details I'm not quite clear about.

So for the equation (4) in FCM Algorithm part, I don't understand what it means.. enter image description here

And for equation (8), I don't understand how it's obtained and what it's referring to in the description.

enter image description here

If anyone can help me with any of these, I'd much appreciated. Thanks!

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  • $\begingroup$ @Raphael I hope I wasn't out of line recommending to post this here; I figured that adjusting that algorithm should require adjusting the proof of correctness, so I figured it should go here. $\endgroup$ – G. Bach Apr 10 '15 at 15:11
  • $\begingroup$ I think I have the algorithm I want, but I don't know how to implement it by programming. Any suggestions on what language to start with or code I could reference would be appreciated. Thanks. $\endgroup$ – user30503 Apr 10 '15 at 15:21
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    $\begingroup$ @G.Bach Adjusting algorithms is fine here, but implementing them for practical use is (usually) not. It seems qshngv wants the latter. $\endgroup$ – Raphael Apr 10 '15 at 15:26
  • $\begingroup$ Hi @Raphael, thanks for the clarification. I do have some questions about the algorithm, I've edited my post accordingly. Could you take another look please? $\endgroup$ – user30503 Apr 10 '15 at 16:51
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    $\begingroup$ Don't use images as main content of your post. This makes your question impossible to search and inaccessible to the visually impaired; we don't like that. Please transcribe text and mathematics (note that you can use LaTeX) and don't forget to give proper attribution to your sources! $\endgroup$ – Raphael Apr 10 '15 at 17:56

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