{"id":5597,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/gamma-inv\/"},"modified":"2021-02-26T09:56:07","modified_gmt":"2021-02-26T09:56:07","slug":"gamma-inv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/gamma-inv\/","title":{"rendered":"GAMMA.INV"},"content":{"rendered":"

Syntaxe a vysv\u011btlen\u00ed funkce pro inverzn\u00ed gama rozd\u011blen\u00ed<\/h2>\n

Funkce GAMMA.INV<\/strong> v Microsoft Excel a Google Sheets slou\u017e\u00ed k v\u00fdpo\u010dtu inverze kumulativn\u00ed distribu\u010dn\u00ed funkce (CDF) pro gamma rozd\u011blen\u00ed. Je to kl\u00ed\u010dov\u00fd n\u00e1stroj pro statistick\u00e9 anal\u00fdzy a hodnocen\u00ed, kter\u00e9 zahrnuj\u00ed prom\u011bnliv\u00e9 charakteristiky gamma rozd\u011blen\u00ed.<\/p>\n

Syntaxe funkce je:<\/p>\n

=GAMMA.INV(pravd\u011bpodobnost, alfa, beta)<\/code><\/pre>\n
    \n
  • pravd\u011bpodobnost<\/strong> – Hodnota pravd\u011bpodobnosti spojen\u00e1 s gammatisk\u00fdm distribu\u010dn\u00edm modelem. Jej\u00ed hodnota mus\u00ed b\u00fdt v rozmez\u00ed 0 a\u017e 1.<\/li>\n
  • alfa<\/strong> – Parametr alfa (t\u00e9\u017e zn\u00e1m\u00fd jako parametr tvaru k) pro gamma rozd\u011blen\u00ed. Tento parametr mus\u00ed b\u00fdt kladn\u00fd.<\/li>\n
  • beta<\/strong> – Parametr beta (parametr m\u011b\u0159\u00edtka \u03b8) gamma rozd\u011blen\u00ed. Tento parametr mus\u00ed b\u00fdt rovn\u011b\u017e kladn\u00fd.<\/li>\n<\/ul>\n
    P\u0159\u00edklady pou\u017eit\u00ed v praxi<\/h2>\n
    N\u00ed\u017ee jsou uveden\u00e9 praktick\u00e9 p\u0159\u00edklady pou\u017eit\u00ed funkce GAMMA.INV<\/strong>:<\/p>\n
    P\u0159\u00edklad 1: V\u00fdpo\u010det doby trv\u00e1n\u00ed projektu<\/h2>\n
    P\u0159edstavte si, \u017ee mana\u017eer projektu pot\u0159ebuje odhadnout dobu trv\u00e1n\u00ed projektu, pro kter\u00fd plat\u00ed gamma rozd\u011blen\u00ed s parametry alfa = 9 a beta = 2. Chce zjistit, kolik dn\u016f bude trvat, aby bylo s 90% pravd\u011bpodobnost\u00ed projekt dokon\u010den.<\/p>\n
    =GAMMA.INV(0.9, 9, 2)<\/code><\/pre>\n
      \n
    • 0.9<\/strong> zna\u010d\u00ed 90% pravd\u011bpodobnost dokon\u010den\u00ed projektu.<\/li>\n
    • Parametry 9<\/strong> (alfa) a 2<\/strong> (beta) jsou specificky stanoven\u00e9 hodnoty pro trv\u00e1n\u00ed projektu.<\/li>\n<\/ul>\n
      Vypo\u010dten\u00e1 hodnota uk\u00e1\u017ee, po kolika dnech lze o\u010dek\u00e1vat dokon\u010den\u00ed projektu s danou pravd\u011bpodobnost\u00ed.<\/p>\n
      P\u0159\u00edklad 2: Anal\u00fdza \u017eivotnosti komponenty<\/h2>\n
      In\u017een\u00fdr zkoum\u00e1 \u017eivotnost elektronick\u00fdch komponent, kter\u00e9 se \u0159\u00edd\u00ed gamma rozd\u011blen\u00edm s parametry alfa = 5 a beta = 1.5. Chce zjistit, po jakou dobu bude 95 % t\u011bchto komponent funk\u010dn\u00ed bez poruchy.<\/p>\n
      =GAMMA.INV(0.95, 5, 1.5)<\/code><\/pre>\n
        \n
      • 0.95<\/strong> ukazuje pravd\u011bpodobnost 95 %, \u017ee komponenta z\u016fstane funk\u010dn\u00ed.<\/li>\n
      • Hodnoty 5<\/strong> a 1.5<\/strong> jsou parametry alfa a beta, kter\u00e9 odpov\u00eddaj\u00ed \u017eivotnosti komponent.<\/li>\n<\/ul>\n
        V\u00fdsledn\u00e1 hodnota poskytne \u00fadaj o po\u010dtu hodin, po kter\u00e9 by m\u011bla v\u011bt\u0161ina komponent vydr\u017eet bez selh\u00e1n\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"
        Vr\u00e1t\u00ed hodnotu inverzn\u00ed funkce k distribu\u010dn\u00ed funkci sou\u010dtov\u00e9ho rozd\u011blen\u00ed gama<\/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-5597","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce GAMMA.INV v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije GAMMA.INV u Excelu i Google tablicama. 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