{"id":4484,"date":"2026-07-29T17:01:13","date_gmt":"2026-07-29T15:01:13","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4484"},"modified":"2026-07-30T10:32:38","modified_gmt":"2026-07-30T08:32:38","slug":"hotelling-fele-t%c2%b2-statisztika","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/hu\/guide-dutilisateur\/statistique-t%c2%b2-de-hotelling\/","title":{"rendered":"Hotelling T\u00b2-statisztika"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A T\u00b2 egy ir\u00e1ny\u00edt\u00e1si k\u00e9rd\u00e9sre ad v\u00e1laszt:&nbsp;<strong>\u00d6sszess\u00e9g\u00e9ben v\u00e9ve ez az alkatr\u00e9sz megfelel-e az el\u0151\u00edr\u00e1soknak?<\/strong>El\u0151fordulhat, hogy egy alkatr\u00e9sz minden egyes m\u00e9ret tekintet\u00e9ben a t\u0171r\u00e9shat\u00e1ron bel\u00fcl van, m\u00e9gis a m\u00e9retek kombin\u00e1ci\u00f3ja miatt nem szabv\u00e1nyosnak min\u0151s\u00fcl \u2014 pontosan ezt hagyja figyelmen k\u00edv\u00fcl a m\u00e9retenk\u00e9nti ellen\u0151rz\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A T\u00b2 minden egyes egy\u00e9n \u00e9s a felh\u0151 k\u00f6z\u00e9ppontja k\u00f6z\u00f6tti t\u00e1vols\u00e1got m\u00e9ri, figyelembe v\u00e9ve a jellemz\u0151k k\u00f6z\u00f6tti korrel\u00e1ci\u00f3kat (Mahalanobis-t\u00e1vols\u00e1g). A grafikon egy ellen\u0151rz\u0151 t\u00e1bl\u00e1hoz hasonl\u00edt: egy \u00e9rt\u00e9k, egy hat\u00e1r\u00e9rt\u00e9k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. z\u00f3na<\/strong>&nbsp;: a be\u00e1ll\u00edt\u00e1sok.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"564\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/image4-1.png\" alt=\"\" class=\"wp-image-4485\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/image4-1.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/image4-1-300x176.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/image4-1-768x449.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/image4-1-18x12.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>Tanul\u00e1s \/ -b\u00f3l<\/strong>&nbsp;: azok a sorok, amelyek a referencia\u00e9rt\u00e9k meghat\u00e1roz\u00e1s\u00e1hoz szolg\u00e1lnak (\u00e1tlag \u00e9s kovarianciam\u00e1trix). A t\u00f6bbi sorokat ehhez a referencia\u00e9rt\u00e9khez viszony\u00edtj\u00e1k; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>T2 t\u00edpus<\/strong>&nbsp;: a hat\u00e1r\u00e9rt\u00e9k kisz\u00e1m\u00edt\u00e1s\u00e1nak m\u00f3dszere \u2014 Sullivan, Klasszikus vagy Chi2; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>alfa-kock\u00e1zat<\/strong>&nbsp;: a t\u00e9ves riaszt\u00e1s kock\u00e1zata; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>R\u00f6gz\u00edtett hat\u00e1r<\/strong>&nbsp;: korl\u00e1tot szab, ahelyett, hogy \u00fajrasz\u00e1moln\u00e1; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>A kiugr\u00f3 \u00e9rt\u00e9kek kisz\u0171r\u00e9se<\/strong>&nbsp;\u00e9s&nbsp;<strong>A T\u00b2-n k\u00edv\u00fcli \u00e9rt\u00e9kek elt\u00e1vol\u00edt\u00e1sa<\/strong>&nbsp;: megtiszt\u00edtj\u00e1k a tanul\u00e1si mint\u00e1t, hogy a referencia ne atipikus pontok alapj\u00e1n ker\u00fclj\u00f6n meghat\u00e1roz\u00e1sra; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>Csoportok keres\u00e9se<\/strong>&nbsp;: azonos\u00edtja az egym\u00e1shoz k\u00f6zel elhelyezked\u0151, a hat\u00e1ron k\u00edv\u00fcli pontokat, \u00e9s csoportonk\u00e9nt sz\u00ednezi \u0151ket. Az azonos m\u00f3don elhelyezked\u0151 pontok k\u00f6z\u00f6s okra utalnak; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>Logaritmikus sk\u00e1la<\/strong>&nbsp;: akkor olvashat\u00f3, ha egy pont kiemelkedik a t\u00f6bbi k\u00f6z\u00fcl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. z\u00f3na<\/strong>&nbsp;: a hozz\u00e1 tartoz\u00f3 felh\u0151.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"564\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/image5-1.png\" alt=\"\" class=\"wp-image-4486\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/image5-1.png 642w, https:\/\/ellistat.com\/wp-content\/uploads\/image5-1-300x264.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/image5-1-14x12.png 14w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2 A k\u00f6vetkez\u0151kkel&nbsp;<strong>2 v\u00e1ltoz\u00f3<\/strong>, megjelen\u00edti az egy\u00e9neket \u00e9s a\u2019<strong>bizalmi ellipszis<\/strong>&nbsp;: a t\u00f6bbv\u00e1ltoz\u00f3s konformit\u00e1si hat\u00e1r. Ez a legszeml\u00e9letesebb \u00e1br\u00e1zol\u00e1s; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2 A k\u00f6vetkez\u0151kkel&nbsp;<strong>3 v\u00e1ltoz\u00f3<\/strong>, a h\u00e1romdimenzi\u00f3s felh\u0151; ;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>3 v\u00e1ltoz\u00f3n\u00e1l t\u00f6bb<\/strong>, az egy\u00e9neket az ACP-faktorter\u00e9re vet\u00edtik, ami az egyetlen lehets\u00e9ges \u00e1br\u00e1zol\u00e1sm\u00f3d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \u00c9rdekes eset az, amikor egy T\u00b2-\u00e9rt\u00e9k jelenik meg an\u00e9lk\u00fcl, hogy b\u00e1rmely jellemz\u0151 is t\u00fall\u00e9pn\u00e9 a t\u0171r\u00e9shat\u00e1rt: a kombin\u00e1ci\u00f3 megv\u00e1ltozott. V\u00e1ltsunk \u00e1t az ACP-re, hogy megn\u00e9zz\u00fck, melyik kapcsolat v\u00e1ltozott.<\/p>","protected":false},"featured_media":0,"menu_order":70,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[40],"class_list":["post-4484","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-6-statistiques-multivariees"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Statistique T\u00b2 de Hotelling - Ellistat<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/hu\/hasznaloi-utmutato\/hotelling-fele-t\u00b2-statisztika\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Statistique T\u00b2 de Hotelling - Ellistat\" \/>\n<meta property=\"og:description\" content=\"Le T\u00b2 r\u00e9pond \u00e0 une question de pilotage :&nbsp;cette pi\u00e8ce est-elle conforme, toutes caract\u00e9ristiques prises ensemble ?Une pi\u00e8ce peut \u00eatre dans la tol\u00e9rance sur chaque cote et rester atypique par leur combinaison \u2014 c&rsquo;est pr\u00e9cis\u00e9ment ce que la surveillance cote par cote laisse passer. 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