Hotelling's T-squared distribution: Revision history

24 June 2024

• curprev 23:4223:42, 24 June 2024‎ Michael Hardy talk contribs‎ 17,901 bytes +88‎ →‎Definition undo
• curprev 23:4023:40, 24 June 2024‎ Michael Hardy talk contribs‎ 17,813 bytes +1,875‎ →‎Motivation undo
• curprev 22:5622:56, 24 June 2024‎ 2601:447:cd80:e200:50af:f879:30d6:fcb6 talk‎ 15,938 bytes 0‎ →‎Hotelling t-squared statistic undo
• curprev 22:5522:55, 24 June 2024‎ 2601:447:cd80:e200:50af:f879:30d6:fcb6 talk‎ 15,938 bytes −9‎ →‎Hotelling t-squared statistic undo
• curprev 18:3418:34, 24 June 2024‎ 2601:447:cd80:e200:91b8:3777:278f:b2fc talk‎ 15,947 bytes +51‎ →‎Definition undo
• curprev 18:2918:29, 24 June 2024‎ 2601:447:cd80:e200:91b8:3777:278f:b2fc talk‎ 15,896 bytes +4‎ →‎Definition: It makes no sense to speak of the matrix having unit covariance and m degrees of freedom; rather it is the Wishart distribution of the random matrix that has unit covarience and m degrees of freedom. undo

21 June 2024

• curprev 12:5512:55, 21 June 2024‎ 156.28.6.8 talk‎ 15,892 bytes +1‎ →‎Two-sample statistic undo
• curprev 12:5412:54, 21 June 2024‎ 156.28.6.8 talk‎ 15,891 bytes +3‎ →‎Two-sample statistic: r wasn't mention earlier, in the formula it was clearly rho undo

17 May 2024

• curprev 15:0915:09, 17 May 2024‎ 31.27.16.226 talk‎ 15,888 bytes +1‎ "n" was missing according to the cited definition undo

19 March 2024

• curprev 01:3601:36, 19 March 2024‎ 2601:447:c601:3690:e9c6:4b11:2d74:db32 talk‎ 15,887 bytes +12‎ →‎Hotelling t-squared statistic undo
• curprev 01:3501:35, 19 March 2024‎ 2601:447:c601:3690:e9c6:4b11:2d74:db32 talk‎ 15,875 bytes +28‎ →‎Definition: proper horizontal spacing. And it is plainly incorrect to italicize digits in this context. undo

5 November 2023

• curprev 20:5020:50, 5 November 2023‎ Cl3phact0 talk contribs‎ 15,847 bytes +55‎ Adding local short description: "Type of probability distribution", overriding Wikidata description "multivariate probability distribution related to the F-distribution; the distribution of a set of sample statistics that are generalizations of the statistics underlying the Student's t-distribution" undo Tag: Shortdesc helper

30 May 2022

• curprev 23:4523:45, 30 May 2022‎ Hines8 talk contribs‎ 15,792 bytes −1‎ Undid revision 1090712526 by Hines8 (talk) undo Tag: Undo
• curprev 23:4123:41, 30 May 2022‎ Hines8 talk contribs‎ m 15,793 bytes +1‎ →‎Hotelling t-squared statistic: Statistic definition was incorrectly copied from the source undo Tag: Reverted

26 March 2022

• curprev 03:1103:11, 26 March 2022‎ Fgnievinski talk contribs‎ 15,792 bytes 0‎ →‎top undo

29 May 2021

• curprev 18:2718:27, 29 May 2021‎ 100.33.93.12 talk‎ 15,792 bytes +2‎ →‎Hotelling t-squared statistic undo

15 April 2021

• curprev 02:5602:56, 15 April 2021‎ Fgnievinski talk contribs‎ 15,790 bytes +35‎ →‎Two-sample statistic: harmonize three symbols for cov mat undo
• curprev 02:5202:52, 15 April 2021‎ Fgnievinski talk contribs‎ 15,755 bytes +4‎ →‎Related concepts: avoid confusion with DOF undo

1 April 2021

• curprev 04:5704:57, 1 April 2021‎ Fgnievinski talk contribs‎ 15,751 bytes −75‎ →‎Hotelling t-squared statistic: Sigma_\bar{x} is used in the subsequent definition undo
• curprev 03:5303:53, 1 April 2021‎ Fgnievinski talk contribs‎ 15,826 bytes +53‎ →‎Hotelling t-squared statistic undo
• curprev 03:4803:48, 1 April 2021‎ Fgnievinski talk contribs‎ 15,773 bytes +26‎ →‎Definition undo
• curprev 03:3903:39, 1 April 2021‎ Fgnievinski talk contribs‎ 15,747 bytes −21‎ the article is mainly about the distribution undo

11 December 2020

• curprev 18:5318:53, 11 December 2020‎ Monkbot talk contribs‎ m 15,768 bytes −10‎ Task 18 (cosmetic): eval 7 templates: del empty params (1×); hyphenate params (1×); undo Tag: AWB

10 November 2020

• curprev 04:1504:15, 10 November 2020‎ 118.200.226.137 talk‎ 15,778 bytes −201‎ update definition to use latex, and remove awkward subscript notation. undo

8 October 2020

• curprev 01:3201:32, 8 October 2020‎ Walwal20 talk contribs‎ m 15,979 bytes +15‎ Small fix undo
• curprev 01:2501:25, 8 October 2020‎ Walwal20 talk contribs‎ 15,964 bytes −51‎ This is not a multivariate distribution. Removing this category. undo
• curprev 01:2301:23, 8 October 2020‎ Walwal20 talk contribs‎ 16,015 bytes +14‎ Improve text style undo
• curprev 01:2001:20, 8 October 2020‎ Walwal20 talk contribs‎ 16,001 bytes +100‎ Add images to infobox undo
• curprev 01:1801:18, 8 October 2020‎ Walwal20 talk contribs‎ 15,901 bytes +298‎ Add infobox undo
• curprev 00:3000:30, 8 October 2020‎ Walwal20 talk contribs‎ 15,603 bytes +151‎ →‎Motivation: Solve {{citation needed}} undo
• curprev 00:0000:00, 8 October 2020‎ Walwal20 talk contribs‎ 15,452 bytes 0‎ →‎Hotelling T-squared statistic: Changing T-squared to t-squared as the whole article uses the latter. I'm not sure if this is the usual notation, though; my reference uses T-squared. undo

7 October 2020

• curprev 23:5923:59, 7 October 2020‎ Walwal20 talk contribs‎ 15,452 bytes +93‎ →‎Hotelling T-squared statistic: Add {{clarify}}. Why is the variance of the sample mean being mentioned here? Why is the distribution of the covariance matrix being mentioned here? undo
• curprev 23:5723:57, 7 October 2020‎ Walwal20 talk contribs‎ 15,359 bytes −60‎ →‎Hotelling T-squared statistic: Adjust lead text of the section to be consistent with the changes made previously undo
• curprev 23:5523:55, 7 October 2020‎ Walwal20 talk contribs‎ 15,419 bytes +37‎ →‎Hotelling T-squared statistic: Remove {{see also}} and place it into the text. undo
• curprev 23:5423:54, 7 October 2020‎ Walwal20 talk contribs‎ 15,382 bytes −131‎ →‎Hotelling T-squared statistic: Bring 'Definition' before 'Motivation'... the latter doesn't seem very motivating undo
• curprev 23:5123:51, 7 October 2020‎ Walwal20 talk contribs‎ 15,513 bytes +20‎ →‎Statistic: Change section title. Was too vague undo
• curprev 23:4923:49, 7 October 2020‎ Walwal20 talk contribs‎ 15,493 bytes +288‎ →‎Definition: Try to make the explanation here more friendly to the general public. undo

23 September 2020

• curprev 04:3804:38, 23 September 2020‎ Walwal20 talk contribs‎ 15,205 bytes +19‎ →‎Statistic: Move black square to a more proper place undo
• curprev 04:3104:31, 23 September 2020‎ Walwal20 talk contribs‎ 15,186 bytes +187‎ →‎Statistic: Add {{clarify}} undo
• curprev 04:2904:29, 23 September 2020‎ Walwal20 talk contribs‎ 14,999 bytes +1,985‎ →‎Motivation: This proof was very undetailed and cryptic, so I tried to improve it. undo
• curprev 02:5402:54, 23 September 2020‎ Walwal20 talk contribs‎ 13,014 bytes +89‎ Add reference to this statement. undo
• curprev 02:3402:34, 23 September 2020‎ Walwal20 talk contribs‎ 12,925 bytes +16‎ Do some more tinkering with the lead text. Add some definite articles, improve wording and flow of text etc. The Hotelling distribution is proportional to an F distribution, as was written previously, but I reworded it as it might have led the reader to think that T^2(a, b) = \alpha F(a, b) for some alpha, which is not true. undo
• curprev 02:2502:25, 23 September 2020‎ Walwal20 talk contribs‎ 12,909 bytes +16‎ add one wikilink undo
• curprev 02:2302:23, 23 September 2020‎ Walwal20 talk contribs‎ 12,893 bytes +251‎ Add one ref, move one ref, add some details to the lead text undo

15 April 2020

• curprev 01:3801:38, 15 April 2020‎ OAbot talk contribs‎ m 12,642 bytes +16‎ Open access bot: doi added to citation with #oabot. undo

13 November 2019

• curprev 16:1316:13, 13 November 2019‎ Fgnievinski talk contribs‎ 12,626 bytes +42‎ →‎Statistic undo
• curprev 16:1216:12, 13 November 2019‎ Fgnievinski talk contribs‎ 12,584 bytes +4‎ →‎Definition undo
• curprev 16:1016:10, 13 November 2019‎ Fgnievinski talk contribs‎ 12,580 bytes +34‎ →‎top undo
• curprev 16:1016:10, 13 November 2019‎ Fgnievinski talk contribs‎ 12,546 bytes +28‎ →‎top undo
• curprev 16:0716:07, 13 November 2019‎ Fgnievinski talk contribs‎ 12,518 bytes +4‎ →‎top undo