getting the cluster elements from kmeans run

2015-02-11 Thread Harini Srinivasan 
Hi, 

Is there a way to get the elements of each cluster after running kmeans 
clustering? I am using the Java version.



thanks

Re: getting the cluster elements from kmeans run

2015-02-11 Thread VISHNU SUBRAMANIAN 
You can use model.predict(point) that will help you identify the cluster
center and map it to the point.

rdd.map(x = (x,model.predict(x)))

Thanks,
Vishnu

On Wed, Feb 11, 2015 at 11:06 PM, Harini Srinivasan har...@us.ibm.com
wrote:

 Hi,

 Is there a way to get the elements of each cluster after running kmeans
 clustering? I am using the Java version.


 
 thanks

Re: getting the cluster elements from kmeans run

2015-02-11 Thread Suneel Marthi 
KMeansModel only returns the cluster centroids.
To get the # of elements in each cluster, try calling kmeans.predict() on each 
of the points in the data used to build the model.
See 
https://github.com/OryxProject/oryx/blob/master/oryx-app-mllib/src/main/java/com/cloudera/oryx/app/mllib/kmeans/KMeansUpdate.java

Look at method fetchClusterCountsFromModel()

   
 

 From: Harini Srinivasan har...@us.ibm.com
 To: user@spark.apache.org 
 Sent: Wednesday, February 11, 2015 12:36 PM
 Subject: getting the cluster elements from kmeans run
   
Hi, 

Is there a way to get the elements ofeach cluster after running kmeans 
clustering? I am using the Java version.



thanks