{"id":5585,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/forecast-ets-seasonality\/"},"modified":"2021-02-26T09:55:42","modified_gmt":"2021-02-26T09:55:42","slug":"forecast-ets-seasonality","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/forecast-ets-seasonality\/","title":{"rendered":"FORECAST.ETS.SEASONALITY"},"content":{"rendered":"

Popis a pou\u017eit\u00ed funkce pro predikci s vyu\u017eit\u00edm sez\u00f3nnosti<\/h2>\n

Funkce FORECAST.ETS.SEASONALITY<\/code> je v Excelu a Google Sheets efektivn\u00edm n\u00e1strojem pro ur\u010dov\u00e1n\u00ed optim\u00e1ln\u00ed d\u00e9lky sez\u00f3nn\u00edho cyklu v \u010dasov\u00fdch \u0159ad\u00e1ch. Tato funkce je obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e1 p\u0159i anal\u00fdze dat s periodick\u00fdmi vzory, jako jsou m\u011bs\u00ed\u010dn\u00ed prodeje, teplotn\u00ed z\u00e1znamy nebo jin\u00e9 opakuj\u00edc\u00ed se datov\u00e9 \u0159ady.<\/p>\n

Syntaxe a p\u0159\u00edklady<\/h2>\n

Syntaxe funkce FORECAST.ETS.SEASONALITY<\/code> je n\u00e1sleduj\u00edc\u00ed:<\/p>\n

  FORECAST.ETS.SEASONALITY(values, timeline, [data completion], [aggregation]) <\/code> <\/pre>\n
    \n
  • values<\/b> – Rozsah bun\u011bk obsahuj\u00edc\u00ed zn\u00e1m\u00e9 datov\u00e9 hodnoty.<\/li>\n
  • timeline<\/b> – Rozsah bun\u011bk s \u010dasov\u00fdmi \u00fadaji odpov\u00eddaj\u00edc\u00edmi hodnot\u00e1m v values<\/i>.<\/li>\n
  • data completion<\/b> – (Voliteln\u00fd) Parametr ur\u010duj\u00edc\u00ed, jak m\u00e1 Excel zpracov\u00e1vat chyb\u011bj\u00edc\u00ed data. Mo\u017enosti jsou 1<\/i> pro dopln\u011bn\u00ed chyb\u011bj\u00edc\u00edch dat, 0<\/i> pro jejich ignorov\u00e1n\u00ed.<\/li>\n
  • aggregation<\/b> – (Voliteln\u00fd) Metoda pou\u017eit\u00e1 k agregaci dat s shodn\u00fdm \u010dasov\u00fdm raz\u00edtkem, nap\u0159\u00edklad 1<\/i> pro pr\u016fm\u011br, 2<\/i> pro sou\u010det a tak d\u00e1le.<\/li>\n<\/ul>\n
    P\u0159\u00edkladem m\u016f\u017ee b\u00fdt data o prodej\u00edch za posledn\u00edch 36 m\u011bs\u00edc\u016f, kde chceme zjistit d\u00e9lku sez\u00f3nn\u00edho cyklu:<\/p>\n
      =FORECAST.ETS.SEASONALITY(A2:A37, B2:B37) <\/code> <\/pre>\n
    P\u0159\u00edklady vyu\u017eit\u00ed ve skute\u010dn\u00fdch sc\u00e9n\u00e1\u0159\u00edch<\/h2>\n
    Zde jsou dva praktick\u00e9 p\u0159\u00edklady vyu\u017eit\u00ed:<\/p>\n
      \n
    • Analyza prodeje<\/b> – Predikce d\u00e9lky sez\u00f3nn\u00edho cyklu m\u016f\u017ee pomoci t\u00fdm\u016fm l\u00e9pe napl\u00e1novat z\u00e1sobovac\u00ed a marketingov\u00e9 strategie. Zji\u0161t\u011bn\u00ed 12m\u011bs\u00ed\u010dn\u00edho cyklu m\u016f\u017ee nap\u0159\u00edklad v\u00e9st ke spu\u0161t\u011bn\u00ed ro\u010dn\u011b se opakuj\u00edc\u00edch marketingov\u00fdch kampan\u00ed a akc\u00ed.<\/li>\n
    • Energetick\u00e1 spot\u0159eba<\/b> – P\u0159edpov\u00edd\u00e1n\u00ed sez\u00f3nn\u00edch trend\u016f m\u016f\u017ee energetick\u00fdm spole\u010dnostem umo\u017enit lep\u0161\u00ed pl\u00e1nov\u00e1n\u00ed energetick\u00fdch zdroj\u016f a efektivn\u011bj\u0161\u00ed \u0159\u00edzen\u00ed sipot\u0159eby.<\/li>\n<\/ul>\n
      Detailn\u00ed krok za krokem \u0159e\u0161en\u00ed pro p\u0159\u00edklad analyzy prodeje<\/h2>\n
      P\u0159i analys\u00edch m\u011bs\u00ed\u010dn\u00edch prodej\u016f za posledn\u00ed t\u0159i roky (36 m\u011bs\u00edc\u016f) m\u016f\u017eete postupovat takto:<\/p>\n
        \n
      1. Zadat data do Excelu. Prodeje um\u00edstit do sloupce A a odpov\u00eddaj\u00edc\u00ed m\u011bs\u00edce do sloupce B.<\/li>\n
      2. Pou\u017e\u00edt funkci FORECAST.ETS.SEASONALITY(A2:A37, B2:B37)<\/code> pro zji\u0161t\u011bn\u00ed d\u00e9lky sez\u00f3nn\u00edho cyklu, nap\u0159\u00edklad 12 m\u011bs\u00edc\u016f.<\/li>\n
      3. Vyu\u017e\u00edt zji\u0161t\u011bnou d\u00e9lku cyklu pro strategick\u00e9 pl\u00e1nov\u00e1n\u00ed marketingov\u00fdch a prodejn\u00edch aktivit zam\u011b\u0159en\u00fdch na zv\u00fd\u0161en\u00ed prodej\u016f v kl\u00ed\u010dov\u00fdch m\u011bs\u00edc\u00edch.<\/li>\n<\/ol>\n
        Takov\u00e1 anal\u00fdza m\u016f\u017ee poskytnout cenn\u00e9 p\u0159ehledy a vhledy do business strategi\u00ed, kter\u00e9 by jinak mohly z\u016fstat p\u0159ehl\u00e9dnut\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"
        Vr\u00e1t\u00ed d\u00e9lku opakuj\u00edc\u00edho se vzorku, kter\u00fd Excel zjist\u00ed pro zadanou \u010dasovou \u0159adu<\/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-5585","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce FORECAST.ETS.SEASONALITY v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije FORECAST.ETS.SEASONALITY u Excelu i Google tablicama. 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