COP-Kmeans

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Hi Behrouz, I am looking into your implementation (new to COP-Kmeans). I would like to train the classification COP-Kmeans on a train set with constrains and then try it on...

OrielResearchCure

ZeroDivisionError: float division by zero with kmpp initialiser

1

When using `kmpp` initialisation, `chances` vector keeps decreasing till the point at which the [following code line](https://github.com/Behrouz-Babaki/COP-Kmeans/blob/36ca01fbf001c9bf080408074c2f46838257c14b/copkmeans/cop_kmeans.py#L69): ``` chances = [x/sum(chances) for x in chances] ``` produces a `ZeroDivisionError` error...

rtrad89

Implement the code in C with the same functionality

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Functions [`closest_cluster`](https://github.com/Behrouz-Babaki/copkmeans/blob/3c9d7b72ebbf59d3a78baedaf563de616f201bf5/copkmeans/cop_kmeans.py#L55) and [`compute_centers`](https://github.com/Behrouz-Babaki/copkmeans/blob/3c9d7b72ebbf59d3a78baedaf563de616f201bf5/copkmeans/cop_kmeans.py#L97) might take a lot of time to run. Also the loop of assigning instances to clusters can incur some computational cost. We should profile the code...

Behrouz-Babaki

When the number of clusters is larger than the number of instances, a `division by zero` exception is raised. Handle this error gracefully.

Behrouz-Babaki

Sometimes the algorithm does not detect the inconsistency between constraints.

Behrouz-Babaki