{"id":5586,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/forecast-ets-stat\/"},"modified":"2021-02-26T09:55:44","modified_gmt":"2021-02-26T09:55:44","slug":"forecast-ets-stat","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/forecast-ets-stat\/","title":{"rendered":"FORECAST.ETS.STAT"},"content":{"rendered":"

Funkce FORECAST.ETS.STAT v aplikac\u00edch Microsoft Excel a Google Sheets je sofistikovan\u00fd n\u00e1stroj pro anal\u00fdzu a predikci \u010dasov\u00fdch \u0159ad, vyu\u017e\u00edvaj\u00edc\u00ed metodu exponenci\u00e1ln\u00edho vyhlazov\u00e1n\u00ed. Tato funkce je za\u010dlen\u011bna do skupiny n\u00e1stroj\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed modelovat a p\u0159edv\u00eddat budouc\u00ed hodnoty na z\u00e1klad\u011b historick\u00fdch dat a r\u016fzn\u00fdch statistick\u00fdch metod.<\/p>\n

Jak pou\u017e\u00edvat tuto funkci<\/h2>\n

Syntaxe funkce je n\u00e1sleduj\u00edc\u00ed:<\/p>\n

FORECAST.ETS.STAT(y, known_y's, [seasonality], [data_completion], [aggregation])<\/code><\/pre>\n
    \n
  • y<\/code> – bod nebo \u010dasov\u00fd \u00fadaj, pro kter\u00fd se progn\u00f3zuje hodnota.<\/li>\n
  • known_y's<\/code> – pole nebo rozsah bun\u011bk obsahuj\u00edc\u00ed historick\u00e1 data.<\/li>\n
  • [seasonality]<\/code> – voliteln\u00fd argument definuj\u00edc\u00ed d\u00e9lku sez\u00f3nn\u00edho cyklu v datech. Pokud nen\u00ed specifikov\u00e1n, Excel automaticky provede jeho odhad.<\/li>\n
  • [data_completion]<\/code> – voliteln\u00fd argument, ur\u010duj\u00edc\u00ed zp\u016fsob \u0159e\u0161en\u00ed chyb\u011bj\u00edc\u00edch hodnot (N\/A). P\u0159ij\u00edm\u00e1 hodnoty 1 pro automatick\u00e9 dopln\u011bn\u00ed, 0 pro ignoraci.<\/li>\n
  • [aggregation]<\/code> – voliteln\u00fd argument specifikuj\u00edc\u00ed metodu agregace hodnot do jednotliv\u00fdch period (nap\u0159. pr\u016fm\u011br, medi\u00e1n).<\/li>\n<\/ul>\n
    P\u0159\u00edklad pou\u017eit\u00ed:<\/p>\n
    =FORECAST.ETS.STAT(A2, B2:B100, 12)<\/code><\/pre>\n
    Tento vzorec predikuje hodnotu pro \u010das uveden\u00fd v bu\u0148ce A2 na z\u00e1klad\u011b historick\u00fdch dat z rozsahu B2:B100 s uv\u00e1\u017een\u00edm sez\u00f3nn\u00edho cyklu o 12 obdob\u00edch (nap\u0159. m\u011bs\u00edc\u00edch).<\/p>\n
    Praktick\u00e9 p\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n
    Zde je n\u011bkolik sc\u00e9n\u00e1\u0159\u016f, kter\u00e9 demonstruj\u00ed vyu\u017eit\u00ed funkce FORECAST.ETS.STAT:<\/p>\n
    P\u0159edpov\u011b\u010f m\u011bs\u00ed\u010dn\u00edch prodej\u016f<\/h2>\n
    P\u0159edpokl\u00e1dejme, \u017ee disponujeme daty o m\u011bs\u00ed\u010dn\u00edch prodej\u00edch z posledn\u00edch 5 let a chceme p\u0159edpov\u011bd\u011bt prodeje pro n\u00e1sleduj\u00edc\u00ed rok.<\/p>\n
    Zadejte historick\u00e1 data o prodej\u00edch za posledn\u00edch 60 m\u011bs\u00edc\u016f (5 let x 12 m\u011bs\u00edc\u016f) do oblasti B2:B61. V bu\u0148ce A2 specifikujte datum, na kter\u00e9 se m\u00e1 prov\u00e9st predikce, nap\u0159\u00edklad 1. m\u011bs\u00edc n\u00e1sleduj\u00edc\u00edho roku. Pou\u017eijte vzorec: =FORECAST.ETS.STAT(A2, B2:B61, 12)<\/code><\/pre>\n
    V\u00fdsledn\u00e1 predikce zohledn\u00ed sez\u00f3nn\u00ed fluktuace a trendy zaznamenan\u00e9 v historick\u00fdch datech.<\/p>\n
    Anal\u00fdza trend\u016f spot\u0159eby energie<\/h2>\n
    Energetick\u00e9 spole\u010dnosti mohou pou\u017e\u00edt tuto funkci k p\u0159edpov\u00edd\u00e1n\u00ed budouc\u00ed spot\u0159eby na z\u00e1klad\u011b historick\u00fdch dat spot\u0159eby. Predikce pom\u00e1h\u00e1 v pl\u00e1nov\u00e1n\u00ed a optimalizaci produkce.<\/p>\n
    V bu\u0148ce C2 ur\u010dete datum, na kter\u00e9 chcete prov\u00e9st predikci. Historick\u00e1 data o spot\u0159eb\u011b energie vlo\u017ete do rozsahu D2:D73 (nap\u0159. data za posledn\u00edch 6 let, ka\u017ed\u00fd m\u011bs\u00edc jedno m\u011b\u0159en\u00ed). Aplikujte vzorec: =FORECAST.ETS.STAT(C2, D2:D73, 12)<\/code><\/pre>\n
    Odhad z t\u00e9to funkce poskytne cenn\u00e9 informace pro rozhodov\u00e1n\u00ed o v\u00fdrobn\u00edch kapacit\u00e1ch a sm\u011brov\u00e1n\u00ed investic.<\/p>\n
    Tyto p\u0159\u00edklady ukazuj\u00ed, jak lze funkci FORECAST.ETS.STAT efektivn\u011b vyu\u017e\u00edt pro z\u00edsk\u00e1v\u00e1n\u00ed p\u0159edpov\u011bd\u00ed z dostupn\u00fdch datov\u00fdch sad nap\u0159\u00ed\u010d r\u016fzn\u00fdmi sektory od korpor\u00e1tn\u00edho pl\u00e1nov\u00e1n\u00ed po operativn\u00ed management.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed statistickou hodnotu jako v\u00fdsledek p\u0159edpov\u00edd\u00e1n\u00ed \u010dasov\u00e9 \u0159ady<\/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-5586","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce FORECAST.ETS.STAT v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije FORECAST.ETS.STAT u Excelu i Google tablicama. 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