Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[pyclustering.cluster.center_initializer] The same centers or index centers #497

Closed
annoviko opened this issue Mar 22, 2019 · 0 comments
Closed

[pyclustering.cluster.center_initializer] The same centers or index centers #497

annoviko opened this issue Mar 22, 2019 · 0 comments
Assignees
@annoviko
Labels
Bug Tasks related to found bugs

Comments

@annoviko
Copy link
Owner

annoviko commented Mar 22, 2019 •
edited
Loading

Introduction
K-Means++ may return the same values (if data contains point with the same coordinates) and it breaks silhouette_ksearch algorithm because amount of allocated clusters is not equal to K that considers by the algorithm as wrong clustering and marks it as NaN.

Description
See failed test in CI.
@annoviko annoviko added the Bug Tasks related to found bugs label Mar 22, 2019
@annoviko annoviko self-assigned this Mar 22, 2019
@annoviko annoviko changed the title [pyclustering.cluster.silhouette_ksearch] The same centers or index centers [pyclustering.cluster.center_initializer] The same centers or index centers Mar 23, 2019
annoviko added a commit that referenced this issue Mar 23, 2019
@annoviko
#497: Correction for python implementation '[pyclustering.cluster.cen…
0f1a226 
…ter_initializer] The same centers or index centers'.
annoviko added a commit that referenced this issue Mar 24, 2019
@annoviko
#498: Correction for K-Medians hanging. #497: Correction for same ind…
063e53c 
…exes (C++ part).
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@annoviko annoviko

Labels
Bug Tasks related to found bugs
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@annoviko