Edithistory:Algebraic formula for the variance
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| oldid | date/time | username | edit summary |
|---|---|---|---|
| 927283097 | 2019-11-21T13:42:48Z | Deacon Vorbis | Nominated for deletion; see [[:Wikipedia:Articles for deletion/Algebraic formula for the variance]]. ([[WP:TW|TW]]) |
| 927282833 | 2019-11-21T13:40:29Z | Deacon Vorbis | /* top */ -bad hatnote |
| 922055064 | 2019-10-19T17:12:11Z | Daviddwd | short description |
| 892048508 | 2019-04-11T20:55:31Z | LynxAcademy | /* See also */ Added additional links to concepts related to variance |
| 887966096 | 2019-03-16T00:44:08Z | Citation bot | Alter: template type. | You can [[WP:UCB|use this bot]] yourself. [[WP:DBUG|Report bugs here]]. | [[WP:UCB|User-activated]]. |
| 861533206 | 2018-09-28T03:45:45Z | Smasongarrison | /* Generalization to covariance */copy edit with [[Wikipedia:AutoWikiBrowser/General_fixes|General fixes]], replaced: alternate → alternative![[MOS:COMMONALITY]] |
| 858074516 | 2018-09-04T21:45:05Z | 92.225.214.135 | Replace citation needed with a recent survey of numerically stable algorithms for computing the variance accurately. |
| 857962980 | 2018-09-04T04:37:44Z | Smasongarrison | copy editing, applying [[Wikipedia:AutoWikiBrowser/General_fixes|General fixes]] |
| 648447331 | 2015-02-23T08:09:30Z | David Eppstein | /* In terms of raw moments */ supply requested citations |
| 594183447 | 2014-02-06T09:39:11Z | 213.190.104.143 | see *also*, formatting, placement |
| 594183309 | 2014-02-06T09:37:56Z | 213.190.104.143 | see also [[Algorithms_for_calculating_variance]] |
| 586820243 | 2013-12-19T18:37:17Z | ChrisGualtieri | Remove stub template(s). Page is start class or higher. Also check for and do General Fixes + Checkwiki fixes using [[Project:AWB|AWB]] |
| 580306266 | 2013-11-05T14:14:04Z | 138.246.2.177 | merge both formulas. |
| 580215149 | 2013-11-04T21:42:36Z | 134.121.45.224 | included alternate form |
| 556932293 | 2013-05-26T23:28:20Z | Deanex | /* In terms of raw moments */ |
| 548955135 | 2013-04-06T07:05:12Z | KLBot2 | Bot: Migrating 3 interwiki links, now provided by [[Wikidata]] on [[:d:Q367866]] |
| 546603224 | 2013-03-23T20:14:13Z | 184.176.43.121 | |
| 546603062 | 2013-03-23T20:13:13Z | 184.176.43.121 | |
| 541408343 | 2013-03-01T03:13:27Z | Michael Hardy | /* Proof */ align |
| 540382559 | 2013-02-25T22:30:57Z | Mike Cline | Mike Cline moved page [[Computational formula for the variance]] to [[Algebraic formula for the variance]]: Per WP:RM |
| 537519550 | 2013-02-10T10:10:44Z | AnomieBOT | Dating maintenance tags: {{Refimprove}} {{Notability}} |
| 537517858 | 2013-02-10T09:49:46Z | Fgnievinski | |
| 537209657 | 2013-02-08T11:55:43Z | 81.98.35.149 | Undid revision 537097739 by [[Special:Contributions/168.12.253.66|168.12.253.66]] ([[User talk:168.12.253.66|talk]])undo mergeof totlly different topics |
| 537097739 | 2013-02-07T19:34:10Z | 168.12.253.66 | Merging contents to [[Algorithms for calculating variance]] |
| 537048912 | 2013-02-07T13:14:46Z | AnomieBOT | Dating maintenance tags: {{Cn}} |
| 537046549 | 2013-02-07T12:54:08Z | Chire | Also mention [[Jakob Steiner]], reword to make it clear that both formulas are prone to catastrophic cancellation. |
| 536939612 | 2013-02-06T21:10:25Z | AnomieBOT | Dating maintenance tags: {{Cn}} |
| 536936648 | 2013-02-06T20:50:17Z | 81.98.35.149 | prepare for renaming, empasise difference from other existing article |
| 536930598 | 2013-02-06T20:08:00Z | 81.98.35.149 | remove merge as different topic ... prepare to rename |
| 536930516 | 2013-02-06T20:07:09Z | 81.98.35.149 | Undid revision 536927917 by [[Special:Contributions/Fgnievinski|Fgnievinski]] ([[User talk:Fgnievinski|talk]])that article is a different topic |
| 536928050 | 2013-02-06T19:49:22Z | Fgnievinski | |
| 536927917 | 2013-02-06T19:48:37Z | Fgnievinski | |
| 536882032 | 2013-02-06T14:48:08Z | Chire | Emphasize why this formula is dangerous to use with floating point arithmetic. |
| 522457835 | 2012-11-11T10:13:36Z | EmausBot | r2.7.2+) (Robot: Modifying [[fr:Théorème de König-Huyghens]] to [[fr:Théorème de König-Huygens]] |
| 519569299 | 2012-10-24T13:41:45Z | Gidoca | Undid revision 519569240 by [[Special:Contributions/Gidoca|Gidoca]] ([[User talk:Gidoca|talk]]) |
| 519569240 | 2012-10-24T13:41:16Z | Gidoca | wikilink |
| 519569102 | 2012-10-24T13:40:22Z | Gidoca | wikilink |
| 513711023 | 2012-09-20T13:41:59Z | Bfx0 | changed hyphen to dash; added hyphen |
| 482201853 | 2012-03-16T14:51:57Z | 62.58.105.202 | /* See also */ |
| 473577803 | 2012-01-27T21:09:29Z | Grumpfel | add link to Johann Samuel König |
| 473574791 | 2012-01-27T20:50:20Z | Grumpfel | add link |
| 472690116 | 2012-01-22T22:18:14Z | BattyBot | changed {{Unreferenced}} to {{Refimprove}} & [[WP:AWB/GF|general fixes]] using [[Project:AWB|AWB]] (7916) |
| 469737114 | 2012-01-05T16:26:08Z | Tkuvho | |
| 469730666 | 2012-01-05T15:45:59Z | 2.0.114.110 | |
| 469730582 | 2012-01-05T15:45:25Z | 2.0.114.110 | |
| 459834253 | 2011-11-09T18:08:09Z | 132.216.24.117 | |
| 459833964 | 2011-11-09T18:06:01Z | 132.216.24.117 | |
| 441971801 | 2011-07-29T02:00:43Z | Derek farn | Highlight unwise calculation method |
| 434635217 | 2011-06-16T19:22:37Z | ZéroBot | r2.7.1) (robot Adding: [[ca:Fórmula de càlcul per a la variància]] |
| 403974824 | 2010-12-24T03:16:55Z | RoySmith | see also |
| 392437019 | 2010-10-23T17:20:16Z | 69.150.233.253 | /* Proof */ |
| 392436957 | 2010-10-23T17:19:48Z | 69.150.233.253 | /* Proof */ |
| 386750845 | 2010-09-24T14:32:47Z | Karsten.burger | /* Generalization to covariance */ clearify meaning of x_i and X_j which are not explanied here. |
| 386649131 | 2010-09-24T00:24:16Z | Skbkekas | Remove recent additions that are unrelated to computation, and restore recently deleted material that is related to computation. |
| 386042934 | 2010-09-21T04:08:46Z | O18 | note relation to MLE |
| 386027023 | 2010-09-21T01:52:15Z | O18 | /* Proof */ the second "proof" was silly |
| 386026815 | 2010-09-21T01:50:41Z | O18 | remove paragraph that made little sense |
| 385986791 | 2010-09-20T21:30:17Z | O18 | /* Proof */ again, missed one |
| 385986569 | 2010-09-20T21:29:09Z | O18 | I think this is a clearer notation [E(X)]^2 instead of E^2(X) or E(X)^2 |
| 385986121 | 2010-09-20T21:26:26Z | O18 | /* Covariance */ change section header to "generalization to" cov |
| 385986032 | 2010-09-20T21:25:51Z | O18 | /* Proof */ missed one \hat{\sigma} |
| 385985944 | 2010-09-20T21:25:22Z | O18 | replace \hat{\sigma}^2 with more traditional s^2 |
| 385985756 | 2010-09-20T21:24:11Z | O18 | move generalization to end |
| 374569918 | 2010-07-20T22:08:06Z | SmackBot | /* See also */Date maintenance tags and general fixes: build 432:, removed stub tag |
| 374462817 | 2010-07-20T09:02:35Z | Melcombe | /* See also */ add {{noreferences}} |
| 373979008 | 2010-07-17T14:22:53Z | 128.178.158.37 | /* Proof */ moved the ^2 inside the first E[] |
| 371178711 | 2010-07-01T10:13:20Z | DrTrigon | + interwiki to [[de:Verschiebungssatz (Statistik)]] |
| 363837919 | 2010-05-24T01:29:54Z | 201.2.132.44 | |
| 363583201 | 2010-05-22T17:37:13Z | 201.47.208.172 | |
| 348747500 | 2010-03-09T15:15:04Z | Skbkekas | Incorporated some material moved over from the [[standard deviation]] article |
| 336584923 | 2010-01-08T12:21:55Z | 195.112.48.128 | corrected notation for the square of the expected value. |
| 324071119 | 2009-11-05T12:16:23Z | TomatoSmith | /* Proof */ |
| 323536541 | 2009-11-02T20:36:19Z | 213.47.219.86 | /* Proof */ |
| 315488284 | 2009-09-22T11:45:55Z | Humatronic | |
| 315488203 | 2009-09-22T11:45:15Z | Humatronic | |
| 310176228 | 2009-08-26T15:10:50Z | JBancroftBrown | fixed error in formula for the sample variance |
| 298276826 | 2009-06-24T04:24:15Z | Gracefool | [[WP:AWB/T|Typo fixing]] and [[WP:GENFIXES|general fixes]], typos fixed: the the → the using [[Project:AutoWikiBrowser|AWB]] |
| 295017482 | 2009-06-07T18:26:14Z | Skbkekas | Add analogous result for sample variance, and some formatting edits. |
| 270968082 | 2009-02-15T21:24:22Z | 85.74.201.74 | Linked the covariance article and corrected a spelling error |
| 247352818 | 2008-10-24T09:44:36Z | Katzmik | |
| 240239294 | 2008-09-22T15:38:49Z | Ht686rg90 | wikilink |
| 236908491 | 2008-09-07T18:49:02Z | 130.126.160.231 | /* Proof */ adds link to the linearity of the expected value |
| 216932338 | 2008-06-03T21:37:10Z | TundraGreen | /* Proof */ Corrected one error in the grouping and modified others for clarity or consistency. |
| 216724426 | 2008-06-02T22:44:11Z | TundraGreen | /* Proof */ |
| 216724131 | 2008-06-02T22:42:33Z | TundraGreen | /* Proof */ Added several steps to make the derivation clearer. |
| 215991176 | 2008-05-30T16:13:15Z | Melcombe | revised category, revised stub |
| 214549677 | 2008-05-24T02:06:30Z | Btyner | +cat |
| 210816837 | 2008-05-07T14:56:51Z | Katzmik | proof |
| 184085003 | 2008-01-13T18:45:02Z | Btyner | give dimensions of matrices |
| 184084141 | 2008-01-13T18:40:26Z | Btyner | vector cross covariance |
| 184082353 | 2008-01-13T18:31:39Z | Btyner | random vectors as well |
| 184079813 | 2008-01-13T18:18:11Z | Btyner | see also |
| 183496006 | 2008-01-10T22:21:06Z | 128.187.80.2 | |
| 181722006 | 2008-01-02T22:37:56Z | Gimboid | altered the way formula is displayed |
| 177397558 | 2007-12-12T08:51:31Z | Katzmik | deleted proposed merger |
| 165947204 | 2007-10-21T00:03:31Z | 61.244.102.45 | |
| 160403313 | 2007-09-26T04:10:26Z | Jitse Niesen | Reverted edits by [[Special:Contributions/70.50.32.3|70.50.32.3]] ([[User talk:70.50.32.3|talk]]) to last version by Michael Hardy |
| 160384275 | 2007-09-26T02:00:29Z | 70.50.32.3 | |
| 148292462 | 2007-07-31T15:51:31Z | Michael Hardy | |
| 148009365 | 2007-07-30T07:24:21Z | Jitse Niesen | add some links; I'm not so sure that we should have a separate article on this, but I hope the editor knows what he's doing |
| 147818186 | 2007-07-29T08:13:52Z | Katzmik | /* See also */ |
| 147432835 | 2007-07-27T12:00:24Z | Katzmik | added link to Loewner's torus |
| 147191819 | 2007-07-26T09:29:55Z | Katzmik | |
| 147191451 | 2007-07-26T09:26:56Z | Katzmik | [[WP:AES|←]]Created page with 'In [[probability theory]], the computational formula for the variance Var(X) of a random variable X is the formula :<math>E(X^2)-(E(X))^2=\mathrm{Var}(X),</math> ...' |
