Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id A9428200CD0 for ; Tue, 11 Jul 2017 07:58:03 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id A7DBE164C68; Tue, 11 Jul 2017 05:58:03 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id EDFC6164C00 for ; Tue, 11 Jul 2017 07:58:02 +0200 (CEST) Received: (qmail 21947 invoked by uid 500); 11 Jul 2017 05:58:02 -0000 Mailing-List: contact issues-help@hivemall.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hivemall.incubator.apache.org Delivered-To: mailing list issues@hivemall.incubator.apache.org Received: (qmail 21938 invoked by uid 99); 11 Jul 2017 05:58:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 11 Jul 2017 05:58:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id BB15C1958B1 for ; Tue, 11 Jul 2017 05:58:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.001 X-Spam-Level: X-Spam-Status: No, score=-100.001 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id OMfTKtApPdUn for ; Tue, 11 Jul 2017 05:58:01 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id D1D6562B31 for ; Tue, 11 Jul 2017 05:58:00 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 5C274E010F for ; Tue, 11 Jul 2017 05:58:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 10D0D24692 for ; Tue, 11 Jul 2017 05:58:00 +0000 (UTC) Date: Tue, 11 Jul 2017 05:58:00 +0000 (UTC) From: "Makoto Yui (JIRA)" To: issues@hivemall.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVEMALL-131) Add documentation about Stratified Sampling in general tips MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 11 Jul 2017 05:58:03 -0000 [ https://issues.apache.org/jira/browse/HIVEMALL-131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Makoto Yui updated HIVEMALL-131: -------------------------------- Description: [Stratified Sampling|https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is valuable and should be documented. https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2 https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups was: [Stratified Sampling| https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is valuable and should be documented. https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2 https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups > Add documentation about Stratified Sampling in general tips > ----------------------------------------------------------- > > Key: HIVEMALL-131 > URL: https://issues.apache.org/jira/browse/HIVEMALL-131 > Project: Hivemall > Issue Type: Sub-task > Reporter: Makoto Yui > Assignee: Makoto Yui > Priority: Minor > > [Stratified Sampling|https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is valuable and should be documented. > https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2 > https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups -- This message was sent by Atlassian JIRA (v6.4.14#64029)