Return-Path: X-Original-To: apmail-mahout-user-archive@www.apache.org Delivered-To: apmail-mahout-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 08DA192E0 for ; Mon, 7 May 2012 08:22:31 +0000 (UTC) Received: (qmail 51127 invoked by uid 500); 7 May 2012 08:22:29 -0000 Delivered-To: apmail-mahout-user-archive@mahout.apache.org Received: (qmail 51095 invoked by uid 500); 7 May 2012 08:22:29 -0000 Mailing-List: contact user-help@mahout.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@mahout.apache.org Delivered-To: mailing list user@mahout.apache.org Received: (qmail 51072 invoked by uid 99); 7 May 2012 08:22:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 May 2012 08:22:29 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [93.94.224.195] (HELO owa.exchange-login.net) (93.94.224.195) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 07 May 2012 08:22:19 +0000 Received: from HC3.hosted.exchange-login.net (93.94.224.202) by edge2.hosted.exchange-login.net (93.94.224.195) with Microsoft SMTP Server (TLS) id 14.2.298.4; Mon, 7 May 2012 10:21:59 +0200 Received: from [192.168.1.64] (203.187.240.190) by HC3.hosted.exchange-login.net (93.94.224.204) with Microsoft SMTP Server (TLS) id 14.2.298.4; Mon, 7 May 2012 10:21:58 +0200 Message-ID: <4FA78624.4060100@xebia.com> Date: Mon, 7 May 2012 13:51:56 +0530 From: Paritosh Ranjan User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Subject: Re: kmeans not returning k clusters References: <4FA6E3F0.8080507@occamsmachete.com> In-Reply-To: <4FA6E3F0.8080507@occamsmachete.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [203.187.240.190] Which version are you using ? 0.6 or the current 0.7-snapshot? On 07-05-2012 02:19, Pat Ferrel wrote: > What would cause kmeans to not return k clusters? As I tweak > parameters I get different numbers of clusters but it's usually less > than the k I pass in. Since I am not using canopies at present I would > expect k to always be honored but the quality of the clusters would > depend on the convergence amount and number of iterations allowed. No?