{"id":5587,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/forecast-linear\/"},"modified":"2021-02-26T09:55:47","modified_gmt":"2021-02-26T09:55:47","slug":"forecast-linear","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/forecast-linear\/","title":{"rendered":"FORECAST.LINEAR"},"content":{"rendered":"

\u00davod do progn\u00f3zov\u00e1n\u00ed line\u00e1rn\u00edm modelem<\/h2>\n

Anal\u00fdza progn\u00f3z je v\u00fdkonn\u00fd n\u00e1stroj dostupn\u00fd jak v Excelu, tak v Google Sheets, kter\u00fd u\u017eivatel\u016fm umo\u017e\u0148uje p\u0159edpov\u00eddat budouc\u00ed hodnoty na z\u00e1klad\u011b existuj\u00edc\u00edch datov\u00fdch bod\u016f. Pro tyto \u00fa\u010dely se \u010dasto vyu\u017e\u00edv\u00e1 funkce line\u00e1rn\u00ed progn\u00f3za, v prost\u0159ed\u00ed tabulkov\u00fdch aplikac\u00ed zn\u00e1m\u00e1 jako FORECAST.LINEAR<\/code>, zalo\u017een\u00e1 na metod\u011b line\u00e1rn\u00ed regrese.<\/p>\n

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

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

=FORECAST.LINEAR(x, zn\u00e1m\u00e9_y, zn\u00e1m\u00e9_x)<\/code><\/pre>\n
Kde: <\/p>\n
    \n
  • x<\/strong> – hodnota, pro kterou chcete predikovat hodnotu y.<\/li>\n
  • zn\u00e1m\u00e9_y<\/strong> – sada zn\u00e1m\u00fdch y-hodnot, kter\u00e9 se pou\u017e\u00edvaj\u00ed pro vytvo\u0159en\u00ed line\u00e1rn\u00edho modelu.<\/li>\n
  • zn\u00e1m\u00e9_x<\/strong> – sada zn\u00e1m\u00fdch x-hodnot pou\u017eit\u00fdch ve funkci.<\/li>\n<\/ul>\n
    Nap\u0159\u00edklad, p\u0159edstavte si, \u017ee chcete zjistit predikovan\u00e9 prodeje pro nadch\u00e1zej\u00edc\u00ed m\u011bs\u00edc na z\u00e1klad\u011b prodej\u016f posledn\u00edch 10 m\u011bs\u00edc\u016f:<\/p>\n\n\n\n\n\n\n
    M\u011bs\u00edc<\/th>\nProdeje<\/th>\n<\/tr>\n
    1<\/td>\n200<\/td>\n<\/tr>\n
    2<\/td>\n220<\/td>\n<\/tr>\n
    3<\/td>\n240<\/td>\n<\/tr>\n
    4<\/td>\n260<\/td>\n<\/tr>\n
      <\/table>\n
    Jak p\u0159edpov\u011bd\u011bt prodeje pro 11. m\u011bs\u00edc:<\/p>\n
    =FORECAST.LINEAR(11, B2:B11, A2:A11)<\/code><\/pre>\n
    Pou\u017eit\u00ed v praktick\u00fdch situac\u00edch<\/h2>\n
    P\u0159\u00edklad 1: Predikce prodej\u016f<\/h2>\n
    Predikce budouc\u00edch prodej\u016f na z\u00e1klad\u011b historick\u00fdch \u00fadaj\u016f je nezbytnou dovednost\u00ed v obchodn\u00ed sf\u00e9\u0159e. M\u00e1me nap\u0159\u00edklad data o prodej\u00edch za posledn\u00edch 11 m\u011bs\u00edc\u016f a chceme odhadnout prodeje pro 12. m\u011bs\u00edc:<\/p>\n
    Prodeje v 12. m\u011bs\u00edci = FORECAST.LINEAR(12, B2:B12, A2:A12)<\/code><\/pre>\n
    Koment\u00e1\u0159: V\u00fdsledek n\u00e1m poskytuje odhad prodej\u016f pro 12. m\u011bs\u00edc, co\u017e lze vyu\u017e\u00edt pro efektivn\u011bj\u0161\u00ed pl\u00e1nov\u00e1n\u00ed z\u00e1sob a marketingov\u00fdch strategi\u00ed.<\/p>\n
    P\u0159\u00edklad 2: Odhad r\u016fstu n\u00e1v\u0161t\u011bvnosti webu<\/h2>\n
    Dal\u0161\u00edm b\u011b\u017en\u00fdm vyu\u017eit\u00edm t\u00e9to funkce je v oblasti digit\u00e1ln\u00edho marketingu, kde je mo\u017en\u00e9 odhadovat budouc\u00ed n\u00e1v\u0161t\u011bvnost webu na z\u00e1klad\u011b minul\u00fdch dat. P\u0159edpokl\u00e1dejme, \u017ee m\u00e1me k dispozici \u00fadaje o m\u011bs\u00ed\u010dn\u00ed n\u00e1v\u0161t\u011bvnosti webu za posledn\u00ed rok:<\/p>\n
    N\u00e1v\u0161t\u011bvnost v dal\u0161\u00edm m\u011bs\u00edci = FORECAST.LINEAR(n\u00e1sleduj\u00edc\u00ed m\u011bs\u00edc, D2:D13, C2:C13)<\/code><\/pre>\n
    Koment\u00e1\u0159: Zde vyu\u017e\u00edv\u00e1me regresn\u00ed model k predikci n\u00e1v\u0161t\u011bvnosti, co\u017e n\u00e1m umo\u017e\u0148uje l\u00e9pe se p\u0159ipravit na z\u00e1t\u011b\u017e serveru a pl\u00e1novat marketingov\u00e9 kampan\u011b.<\/p>\n
    Tato funkce je vysoce u\u017eite\u010dn\u00e1 pro \u0161irok\u00e9 spektrum rozhodovac\u00edch a pl\u00e1novac\u00edch proces\u016f, a d\u00edky jej\u00ed jednoduchosti a dostupnosti dat lze snadno integrovat do va\u0161ich tabulkov\u00fdch aplikac\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed budouc\u00ed hodnotu na z\u00e1klad\u011b existuj\u00edc\u00edch hodnot<\/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-5587","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce FORECAST.LINEAR v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije FORECAST.LINEAR u Excelu i Google tablicama. 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