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https://issues.apache.org/jira/browse/MATH-1524?focusedWorklogId=410161&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-410161
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ASF GitHub Bot logged work on MATH-1524:
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Author: ASF GitHub Bot
Created on: 26/Mar/20 09:10
Start Date: 26/Mar/20 09:10
Worklog Time Spent: 10m
Work Description: chentao106 commented on pull request #133: MATH-1524:
Remove package initialization and reuse chooseInitialCente…
URL: https://github.com/apache/commons-math/pull/133
Remove package initialization and reuse chooseInitialCenters as
package-private
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Issue Time Tracking
-------------------
Worklog Id: (was: 410161)
Time Spent: 1.5h (was: 1h 20m)
> "chooseInitialCenters" should move out from KMeansPlusPlusClusterer
> -------------------------------------------------------------------
>
> Key: MATH-1524
> URL: https://issues.apache.org/jira/browse/MATH-1524
> Project: Commons Math
> Issue Type: Improvement
> Reporter: Chen Tao
> Priority: Major
> Attachments: centroid.png, getCenter.png
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> There are two reason for "chooseInitialCenters" should be move out from
> "KMeansPlusPlusClusterer":
> # k-means++ clusterer is a special case of k-means clusterer, that k-means++
> initialize the cluster centers with k-means++ algorithm. Another case is
> initialize the cluster centers with random points.
> # The mini batch k-means will reuse "chooseInitialCenters".
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