RE: k-means output missing some cluster centers coordinates

2012-07-20 Thread shriram
what should be the input format for mahout??? can anybody tell me.. I'm confused.. I'm not able to make head or tail out of the output that I'm getting -- View this message in context: http://lucene.472066.n3.nabble.com/k-means-output-missing-some-cluster-centers-coordinates-tp1919928p3996138.h

RE: k-means output missing some cluster centers coordinates

2012-07-20 Thread Videnova, Svetlana
:ghai12...@gmail.com] Envoyé : vendredi 20 juillet 2012 10:52 À : mahout-u...@lucene.apache.org Objet : RE: k-means output missing some cluster centers coordinates what should be the input format for mahout??? can anybody tell me.. I'm confused.. I'm not able to make head or tail out

Re: k-means output missing some cluster centers coordinates

2012-07-20 Thread Pat Ferrel
e d'origine- De : shriram [mailto:ghai12...@gmail.com] Envoyé : vendredi 20 juillet 2012 10:52 À : mahout-u...@lucene.apache.org Objet : RE: k-means output missing some cluster centers coordinates what should be the input format for mahout??? can anybody tell me.. I'm confused.. I

RE: k-means output missing some cluster centers coordinates

2010-11-17 Thread Jeff Eastman
Clustering uses sparse vectors by default. The missing coordinate values must be zeros. -Original Message- From: rmx [mailto:ruimax...@hotmail.com] Sent: Wednesday, November 17, 2010 1:29 PM To: mahout-u...@lucene.apache.org Subject: k-means output missing some cluster centers coordinate

Re: k-means output missing some cluster centers coordinates

2010-11-18 Thread rmx
That is what I thought at first place. But if you check the value of the 7th coordinate you will see that is 0.000. This made me very confuse. It seems that it is still not presenting the results on a sparse way. A justification maybe that the value of the 7th is not zero but it was rounded to 0.

Re: k-means output missing some cluster centers coordinates

2010-11-18 Thread Matt Tanquary
I believe your thought is correct although I don't think it's precise to assume any rounding. It may just be truncation for the purpose of displaying the values. You might want to look at the code that displays your output to see if you can increase the precision that's displayed. On Thu, Nov 18,

RE: k-means output missing some cluster centers coordinates

2010-11-18 Thread Jeff Eastman
+1 The formatting only prints the first 3 significant digits so any values less than that will look like 0.000. -Original Message- From: rmx [mailto:ruimax...@hotmail.com] Sent: Thursday, November 18, 2010 2:24 AM To: mahout-u...@lucene.apache.org Subject: Re: k-means output missing