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 8D2C0D53D for ; Fri, 7 Sep 2012 22:23:36 +0000 (UTC) Received: (qmail 31013 invoked by uid 500); 7 Sep 2012 22:23:35 -0000 Delivered-To: apmail-mahout-user-archive@mahout.apache.org Received: (qmail 30971 invoked by uid 500); 7 Sep 2012 22:23:35 -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 30962 invoked by uid 99); 7 Sep 2012 22:23:35 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 07 Sep 2012 22:23:35 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FSL_RCVD_USER,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of goodieboy@gmail.com designates 74.125.82.50 as permitted sender) Received: from [74.125.82.50] (HELO mail-wg0-f50.google.com) (74.125.82.50) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 07 Sep 2012 22:23:28 +0000 Received: by wgbds11 with SMTP id ds11so45560wgb.7 for ; Fri, 07 Sep 2012 15:23:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=zxs9mPk7ix0iuEFxJ+tYenrw4N8XH6ptXwBiDstplnc=; b=ebnyH4SSFZhB/IQNu/a+qcYwSWRHdEcfplWAqe/L4MivuHgcOb+8hErKrhivPgl5i3 TgsIWzG/f3p1n570gOQXB9mHUNKDbankkq8+MrUtuw+G0Rp/z+tEJARnmcAuh1eaalBc cPwoVXiyCvp0oOIlW9OOqa6z00tUQ0RQsROi0zSflr8igyLkay8AHhnsAvCt6r6Xs0TZ Vx6L1I6k1FRmfdpOwAc4p38HL+szOoQpdFn4XiACpawfm7E9UKXqGRqt1S0PiHqc14KZ xSYS5oxtkbYyMckJWL2+YgVzjPvUdlDw+ZOAmMxmw0iVK98WQc8RcscgJHtWiDmLXYIq xAcw== Received: by 10.216.241.203 with SMTP id g53mr1655917wer.142.1347056587444; Fri, 07 Sep 2012 15:23:07 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.221.76 with HTTP; Fri, 7 Sep 2012 15:22:47 -0700 (PDT) From: Matt Mitchell Date: Fri, 7 Sep 2012 18:22:47 -0400 Message-ID: Subject: evaluating distributed recommendation results To: user@mahout.apache.org Content-Type: text/plain; charset=UTF-8 X-Virus-Checked: Checked by ClamAV on apache.org Hi, I'm generating item similarities and recommendations using the distributed jobs. Is there a way I can evaluate the results? The MIA book describes how to do this with the non-distributed recommenders, but I can't find anything on evaluating the distributed stuff. Any tips on doing this? Thanks, Matt