From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: master 792ba71: Add a new function 'buffer-line-statistics' Date: Tue, 12 Jan 2021 21:18:17 +0200 Message-ID: <83ft36c6bq.fsf@gnu.org> References: <20210112174748.18372.29339@vcs0.savannah.gnu.org> <20210112174750.5928220B2C@vcs0.savannah.gnu.org> <87pn2ahudh.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11438"; mail-complaints-to="usenet@ciao.gmane.io" Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jan 12 20:22:53 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kzPFk-0002pO-VS for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Jan 2021 20:22:52 +0100 Original-Received: from localhost ([::1]:53482 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzPFk-000615-1s for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Jan 2021 14:22:52 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzPBF-0003Np-GN for emacs-devel@gnu.org; Tue, 12 Jan 2021 14:18:13 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38389) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzPBF-0004aK-3K; Tue, 12 Jan 2021 14:18:13 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1938 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kzPBC-0003pi-3R; Tue, 12 Jan 2021 14:18:11 -0500 In-Reply-To: <87pn2ahudh.fsf@gnus.org> (message from Lars Ingebrigtsen on Tue, 12 Jan 2021 19:39:54 +0100) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:263023 Archived-At: > From: Lars Ingebrigtsen > Date: Tue, 12 Jan 2021 19:39:54 +0100 > Cc: emacs-devel@gnu.org > > That's the median, and that's what I also thought, but it turns out that > you can approximate the median to the desired accuracy with much less > than O(N) space: > > https://www.stat.cmu.edu/~ryantibs/papers/median.pdf I used this one: https://www.cse.wustl.edu/~jain/papers/ftp/psqr.pdf