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 A666F72FC for ; Tue, 6 Sep 2011 21:18:11 +0000 (UTC) Received: (qmail 9561 invoked by uid 500); 6 Sep 2011 21:18:10 -0000 Delivered-To: apmail-mahout-user-archive@mahout.apache.org Received: (qmail 9493 invoked by uid 500); 6 Sep 2011 21:18:10 -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 9485 invoked by uid 99); 6 Sep 2011 21:18:09 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Sep 2011 21:18:09 +0000 X-ASF-Spam-Status: No, hits=-0.6 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of dlieu.7@gmail.com designates 209.85.212.42 as permitted sender) Received: from [209.85.212.42] (HELO mail-vw0-f42.google.com) (209.85.212.42) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Sep 2011 21:18:03 +0000 Received: by vwl1 with SMTP id 1so11600028vwl.1 for ; Tue, 06 Sep 2011 14:17:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=nwil6uYDQMchfqC3ou7Yw/UGnLHlRo4OFoK2tT/OrJk=; b=tQVf9r+fKbY+M/a2b8vuyAUAByRQDhQ4orlcTpdmX2+ohRBMsCmhoBB3Y9rxdemnq4 gfH4kE1Am/xkmX41i4drTlRFlZaXKWCt+TC8qjBCpDS5wsjUdgNEUrNEUWTBbaZYrcrf 4I2i3PkeuQcsh69dj5ihbjkeQtCPgAQVeg1/g= MIME-Version: 1.0 Received: by 10.52.91.109 with SMTP id cd13mr90612vdb.248.1315343862713; Tue, 06 Sep 2011 14:17:42 -0700 (PDT) Received: by 10.52.115.4 with HTTP; Tue, 6 Sep 2011 14:17:42 -0700 (PDT) In-Reply-To: References: <1315312426.51915.YahooMailNeo@web39422.mail.mud.yahoo.com> Date: Tue, 6 Sep 2011 14:17:42 -0700 Message-ID: Subject: Re: how to run PCA from Mahout From: Dmitriy Lyubimov To: user@mahout.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Ok, i'll add an issue then. On Tue, Sep 6, 2011 at 2:14 PM, Ted Dunning wrote: > I don't have time, but PCA has pretty good marketing so the question keep= s > coming up. > > Mean-subtraction is a great thing in principle. =A0If there is a clean wa= y to > support it, it would be great. > > On Tue, Sep 6, 2011 at 1:58 PM, Dmitriy Lyubimov wrot= e: > >> Do you think it would be worth considering adding PCA related options >> to SSVD stuff? >> >