File:KMeans-Gaussian-data.svg
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Size of this PNG preview of this SVG file: 434 × 467 pixels. Other resolutions: 223 × 240 pixels | 446 × 480 pixels | 714 × 768 pixels | 952 × 1,024 pixels | 1,903 × 2,048 pixels.
Original file (SVG file, nominally 434 × 467 pixels, file size: 410 KB)
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Summary
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Deutsch: k-Means-Algorithmus-Clusteranalyse auf einem Datensatz mit Gauss-verteilten Clustern. k-Means erwartet gleich große Cluster, die Partitionierung mittels Voronoi-Zellen kann die wahre Clusterstruktur nicht darstellen. Selbst die von k-Means gefundenen Clusterzentren sind nur annähernd korrekt.
Visualisiert mit ELKI. English: Cluster analysis with k-Means on a gaussian-distribution-based data set. k-Means is unable to handle the different cluster sizes (spatial sizes) and is barely able to approximate the cluster centers. See File:EM-Gaussian-data.svg for the results when using the EM-algorithm, which can deal with clusters of different spatial extend.
The visualization was generated using ELKI. |
| Date | |
| Source | Own work |
| Author | Chire |
| SVG development |  This vector image was created with ELKI. |
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:23, 23 October 2011 | | 434 × 467 (410 KB) | Chire (talk | contribs) |
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