Ward's method: Revision history

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curprev 19:2619:26, 28 December 2023 Sammi Brie talk contribs 6,435 bytes +73 Adding short description: "Criterion applied in hierarchical cluster analysis" undo Tag: Shortdesc helper

curprev 13:2413:24, 31 October 2022 RogierBrussee talk contribs 6,362 bytes −4 Undid revision 1119235530 by RogierBrussee (talk) Since it is not clear how this works out for the rest of the article, undo undo Tag: Undo
curprev 11:5511:55, 31 October 2022 RogierBrussee talk contribs 6,366 bytes +4 →The minimum variance criterion: If it is the square of the distance lets actually show that in the notation and write d^2 instead of d. This makes no difference for the minimisation problem. undo Tag: Reverted

curprev 03:2703:27, 1 December 2020 Citation bot talk contribs 6,362 bytes +75 Alter: title, template type. Add: url, s2cid. | You can use this bot yourself. Report bugs here. | Suggested by AManWithNoPlan | All pages linked from cached copy of User:AManWithNoPlan/sandbox3 | via #UCB_webform_linked 809/848 undo

curprev 15:5615:56, 28 August 2019 8.2.105.17 talk 6,287 bytes +48 No edit summary undo

curprev 17:2217:22, 15 January 2019 193.147.222.244 talk 6,239 bytes 0 →Lance–Williams algorithms undo

curprev 18:2118:21, 7 November 2017 Kodiologist talk contribs 6,239 bytes −32 Removed an uncited opinion. undo

curprev 17:2917:29, 6 August 2017 Cydebot talk contribs m 6,271 bytes +1 Robot - Speedily moving category Data clustering algorithms to Category:Cluster analysis algorithms per CFDS. undo

curprev 09:5209:52, 4 July 2017 Magic links bot talk contribs m 6,270 bytes +4 Replace magic links with templates per local RfC and MediaWiki RfC undo

curprev 07:3607:36, 4 October 2016 David Eppstein talk contribs 6,266 bytes +232 The nearest-neighbor chain algorithm can be used to find the same clustering defined by Ward's method, in time proportional to the size of the input distance matrix and space linear in the number of points being clustered. undo

curprev 16:5916:59, 16 February 2016 Hiko talk contribs 6,034 bytes −3 →Lance–Williams algorithms undo

curprev 13:2913:29, 5 October 2015 118.209.51.172 talk 6,037 bytes 0 Fixed typo in equation: alpha_l referred to n_i not n_l; presumably intended to use dummy variable l here undo

curprev 09:2909:29, 10 September 2015 134.157.52.97 talk 6,037 bytes −84 It seems to me that this statement is ambiguous and can be misleading. The explanation which comes after is more accurate and enough in my opinion. undo

curprev 18:1818:18, 7 August 2015 Chris the speller talk contribs m 6,121 bytes −1 sp undo
curprev 09:2509:25, 7 August 2015 147.197.19.201 talk 6,122 bytes +548 No edit summary undo

curprev 17:3417:34, 10 May 2015 77.110.2.205 talk 5,574 bytes 0 No edit summary undo

curprev 12:5012:50, 28 April 2015 188.123.252.14 talk 5,574 bytes +32 No edit summary undo

curprev 15:0115:01, 12 March 2015 129.12.121.254 talk 5,542 bytes −276 →The minimum variance criterion: The advice about the R function hclust was out of date. The "method = ward.D2" argument is no longer available, and the function now expects a matrix of euclidean distances, not squared euclidean distances. undo

curprev 00:2700:27, 7 January 2015 Megalibgwilia talk contribs m 5,818 bytes +11 Disambiguation undo

curprev 09:1309:13, 6 January 2015 Niceguyedc talk contribs m 5,807 bytes +21 WPCleaner v1.34 - Repaired 1 link to disambiguation page - (You can help) - Anil K. Jain undo

curprev 00:0400:04, 30 September 2014 Avraham talk contribs 5,786 bytes +14 →The minimum variance criterion: much simpler to use regular dist (euclidean) and select method ward.D2 undo

curprev 15:2815:28, 26 May 2014 Chire talk contribs 5,772 bytes −85 Remove redundant categories. undo

curprev 18:2718:27, 18 October 2013 2a01:e35:2e08:d9d0:e2f8:47ff:fe3a:c3ea talk 5,857 bytes 0 →The minimum variance criterion undo

curprev 12:3212:32, 17 October 2013 221.5.5.115 talk 5,857 bytes 0 →The minimum variance criterion undo

curprev 11:2111:21, 3 September 2013 Mdd talk contribs 5,857 bytes +26 + Link(s) undo

curprev 06:3406:34, 18 May 2013 1.230.214.230 talk 5,831 bytes +321 →Lance–Williams algorithms undo
curprev 06:3206:32, 18 May 2013 1.230.214.230 talk 5,510 bytes −489 →Lance–Williams algorithms undo

curprev 01:4001:40, 16 May 2013 Bgwhite talk contribs m 5,999 bytes +2 Do general fixes and cleanup. - using AWB (9127) undo

curprev 15:1715:17, 15 May 2013 131.220.150.104 talk 5,997 bytes 0 fixed typo (replaced n_1 by n_i) in Lance-Williams formula undo

curprev 20:3020:30, 7 May 2013 Yobot talk contribs m 5,997 bytes −1 WP:CHECKWIKI error fixes using AWB (9120) undo

curprev 23:3523:35, 21 March 2013 Addbot talk contribs m 6,125 bytes −45 Bot: Migrating 2 interwiki links, now provided by Wikidata on d:q3333621 undo

curprev 17:4217:42, 31 January 2013 198.28.92.5 talk 6,170 bytes 0 Corrected journal referece details as I noticed a mistake when I came to access the journal undo

curprev 06:3306:33, 11 January 2013 BG19bot talk contribs m 6,170 bytes +3 WP:CHECKWIKI error fix for #61. Punctuation goes before References. Do general fixes if a problem exists. - using AWB (8853) undo

curprev 16:4016:40, 11 September 2012 199.102.117.130 talk 6,167 bytes 0 →Lance–Williams algorithms: substituted ni, nj, nk for n1, n2, n3 for clarity. undo

curprev 23:2823:28, 10 September 2012 Mathstat talk contribs 6,167 bytes +41 add category undo

curprev 12:2512:25, 14 July 2012 Melcombe talk contribs 6,126 bytes −64 reduce cats ... already in Cluster analysis undo

curprev 13:1113:11, 25 June 2012 MKKowalczyk talk contribs m 6,190 bytes +20 No edit summary undo

curprev 23:4623:46, 4 April 2012 Ptbotgourou talk contribs m 6,170 bytes +25 r2.7.2) (Robot: Adding fr:Méthode de Ward undo

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