{"id":5569,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/f-dist-rt\/"},"modified":"2021-02-26T09:55:13","modified_gmt":"2021-02-26T09:55:13","slug":"f-dist-rt","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/f-dist-rt\/","title":{"rendered":"F.DIST.RT"},"content":{"rendered":"

Funkce F.DIST.RT je statistick\u00e1 funkce v Microsoft Excel a Google Sheets, kter\u00e1 se pou\u017e\u00edv\u00e1 k v\u00fdpo\u010dtu prav\u00e9 (horn\u00ed) ocasn\u00ed pravd\u011bpodobnosti pro F-rozd\u011blen\u00ed. Toto rozd\u011blen\u00ed je b\u011b\u017en\u011b vyu\u017e\u00edv\u00e1no ve statistice, zejm\u00e9na p\u0159i anal\u00fdze rozptylu a pro testov\u00e1n\u00ed hypot\u00e9z o shod\u011b dvou rozptyl\u016f.<\/p>\n

Podrobn\u00fd popis syntaxe<\/h2>\n

Syntaxe funkce F.DIST.RT je n\u00e1sleduj\u00edc\u00ed:<\/p>\n

 F.DIST.RT(x, stupn\u011b_svobody1, stupn\u011b_svobody2) <\/code><\/pre>\n
    \n
  • x<\/strong> – Hodnota, pro kterou chceme vypo\u010d\u00edtat pravd\u011bpodobnost.<\/li>\n
  • stupn\u011b_svobody1<\/strong> – Po\u010det stup\u0148\u016f svobody ve jmenovateli rozd\u011blen\u00ed.<\/li>\n
  • stupn\u011b_svobody2<\/strong> – Po\u010det stup\u0148\u016f svobody ve \u010ditateli rozd\u011blen\u00ed.<\/li>\n<\/ul>\n
    Ve v\u00fdpo\u010dtu se p\u0159edpokl\u00e1d\u00e1, \u017ee oba stupn\u011b svobody jsou celo\u010d\u00edseln\u00e9 a v\u011bt\u0161\u00ed ne\u017e 0. V\u00fdsledek p\u0159edstavuje pravd\u011bpodobnost, \u017ee hodnota n\u00e1hodn\u00e9 prom\u011bnn\u00e9 F s dan\u00fdmi stupni svobody p\u0159ekro\u010d\u00ed nebo se rovn\u00e1 hodnot\u011b x.<\/p>\n
    P\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n\n\n\n\n
    P\u0159\u00edklad<\/th>\nPopis<\/th>\n<\/tr>\n
    F.DIST.RT(3, 5, 2)<\/code><\/td>\nV\u00fdpo\u010det prav\u00e9 ocasn\u00ed pravd\u011bpodobnosti pro F-rozd\u011blen\u00ed s hodnotou 3 a stupni svobody 5 a 2.<\/td>\n<\/tr>\n
    F.DIST.RT(4.5, 10, 20)<\/code><\/td>\nV\u00fdpo\u010det prav\u00e9 ocasn\u00ed pravd\u011bpodobnosti pro F-rozd\u011blen\u00ed s hodnotou 4.5 a stupni svobody 10 a 20.<\/td>\n<\/tr>\n<\/table>\n
    Praktick\u00e1 aplikace<\/h2>\n
    Funkce F.DIST.RT nach\u00e1z\u00ed uplatn\u011bn\u00ed v r\u016fzn\u00fdch oblastech, zde jsou dva p\u0159\u00edklady:<\/p>\n
      \n
    • Testov\u00e1n\u00ed hypot\u00e9z o rovnosti dvou rozptyl\u016f<\/strong> – Vyu\u017e\u00edv\u00e1 se k v\u00fdpo\u010dtu p-hodnoty ve F-testu pro srovn\u00e1n\u00ed rozptyl\u016f dvou skupin dat. V\u00fdsledek pom\u00e1h\u00e1 ur\u010dit, zda se rozptyly v\u00fdznamn\u011b li\u0161\u00ed.<\/li>\n
    • Srovn\u00e1vac\u00ed studie ve v\u00fdzkumu<\/strong> – Nap\u0159\u00edklad ve zem\u011bd\u011blsk\u00e9m v\u00fdzkumu pro porovn\u00e1n\u00ed efektivity r\u016fzn\u00fdch hnojiv na r\u016fst rostlin, kde se srovn\u00e1vaj\u00ed rozptyly v\u00fdsledk\u016f r\u016fzn\u00fdch skupin, co\u017e umo\u017e\u0148uje objektivn\u00ed posouzen\u00ed stability v\u00fdsledk\u016f jednotliv\u00fdch hnojiv.<\/li>\n<\/ul>\n
      P\u0159\u00edklad praktick\u00e9ho pou\u017eit\u00ed:<\/strong><\/p>\n
       \/\/ P\u0159edpokl\u00e1dejme, \u017ee m\u00e1me dv\u011b sady dat s rozptyly 85 a 45 a po\u010dty pozorov\u00e1n\u00ed 15 a 20 double F = 85.0 \/ 45.0; \/\/ Vypo\u010dteme hodnotu F double p_hodnota = F.DIST.RT(F, 14, 19); \/\/ Vypo\u010d\u00edt\u00e1me pravou p-hodnotu, stupn\u011b svobody jsou po\u010dty pozorov\u00e1n\u00ed minus 1 <\/code><\/pre>\n
      Tento v\u00fdpo\u010det pom\u00e1h\u00e1 ur\u010dit, zda jsou rozptyly mezi skupinami statisticky v\u00fdznamn\u011b odli\u0161n\u00e9, co\u017e napom\u00e1h\u00e1 rozhodov\u00e1n\u00ed o srovnatelnosti skupin.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Vr\u00e1t\u00ed hodnotu rozd\u011blen\u00ed pravd\u011bpodobnosti\u00a0F<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[],"class_list":["post-5569","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce F.DIST.RT v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije F.DIST.RT u Excelu i Google tablicama. 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