{"id":5584,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/forecast-ets-confint\/"},"modified":"2021-02-26T09:55:40","modified_gmt":"2021-02-26T09:55:40","slug":"forecast-ets-confint","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/","title":{"rendered":"FORECAST.ETS.CONFINT"},"content":{"rendered":"

Popis funkce a jej\u00ed syntaxe<\/h2>\n<\/p>\n

Funkce FORECAST.ETS.CONFINT<\/code> v Excelu a Google Sheets umo\u017e\u0148uje v\u00fdpo\u010det intervalu spolehlivosti pro p\u0159edpov\u011bzen\u00e9 hodnoty na z\u00e1klad\u011b historick\u00fdch dat \u010dasov\u00fdch \u0159ad. Tato funkce je ide\u00e1ln\u00ed pro pou\u017eit\u00ed v oblastech jako jsou finance, meteorologie nebo statistick\u00e9 anal\u00fdzy zam\u011b\u0159en\u00e9 na trendov\u00e1 data.<\/p>\n

Syntaxe funkce:<\/strong><\/p>\n

 FORECAST.ETS.CONFINT(x, zn\u00e1m\u00e9_y, zn\u00e1m\u00e9_x, [alfa], [sez\u00f3nnost], [datov\u00fd_typ], [\u00faplnost_p\u0159edpov\u011bdi])<\/code> <\/pre>\n
    \n
  • x<\/code> – Hodnota nebo \u010dasov\u00fd bod, pro n\u011bj\u017e chceme vypo\u010d\u00edtat interval spolehlivosti.<\/li>\n
  • zn\u00e1m\u00e9_y<\/code> – Pole nebo odkaz na historicky pozorovan\u00e9 hodnoty.<\/li>\n
  • zn\u00e1m\u00e9_x<\/code> – Pole nebo odkaz na \u010dasov\u00e1 obdob\u00ed, kter\u00e1 odpov\u00eddaj\u00ed hodnot\u00e1m v zn\u00e1m\u00e9_y<\/code>.<\/li>\n
  • alfa<\/code> – (voliteln\u00e9) \u00darove\u0148 v\u00fdznamnosti pro v\u00fdpo\u010det intervalu spolehlivosti; standardn\u011b nastavena na 0.05 (co\u017e odpov\u00edd\u00e1 95% intervalu spolehlivosti).<\/li>\n
  • sez\u00f3nnost<\/code> – (voliteln\u00e9) Specifikace sez\u00f3nnosti pou\u017eit\u00e9ho modelu; standardn\u011b nastavena na 1.<\/li>\n
  • datov\u00fd_typ<\/code> – (voliteln\u00e9) Typ \u010dasov\u00e9ho modelu (automatick\u00fd, aditivn\u00ed, multiplikativn\u00ed); standardn\u011b je nastaven na automatick\u00fd.<\/li>\n
  • \u00faplnost_p\u0159edpov\u011bdi<\/code> – (voliteln\u00e9) Ozna\u010duje, zda je zahrnut cel\u00fd soubor pozorovan\u00fdch dat; standardn\u011b je TRUE.<\/li>\n<\/ul>\n
    P\u0159\u00edklady praktick\u00e9ho vyu\u017eit\u00ed<\/h2>\n<\/p>\n
    P\u0159\u00edklad 1: Predikce prodeje<\/strong><\/p>\n
    P\u0159edpokl\u00e1dejme, \u017ee m\u00e1me data o m\u011bs\u00ed\u010dn\u00edm prodeji za posledn\u00ed 3 roky a chceme p\u0159edpov\u011bd\u011bt prodej pro n\u00e1sleduj\u00edc\u00ed m\u011bs\u00edc s v\u00fdpo\u010dtem intervalu spolehlivosti.<\/p>\n
     Data o prodeji (zn\u00e1m\u00e9_y): [230, 250, 220, 210, 240, 230, 255, 245, 260, 270, 280, 290, ..., 320] \u010casov\u00e9 obdob\u00ed (zn\u00e1m\u00e9_x): [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,..., 36]<\/code> <\/pre>\n
    Pou\u017eijeme funkci FORECAST.ETS.CONFINT<\/code> pro v\u00fdpo\u010det intervalu spolehlivosti pro 37. m\u011bs\u00edc (x = 37).<\/p>\n
     v\u00fdsledek = FORECAST.ETS.CONFINT(37, B2:B37, A2:A37)<\/code> <\/pre>\n
    Takto z\u00edsk\u00e1me interval spolehlivosti prodeje pro 37. m\u011bs\u00edc.<\/p>\n
    P\u0159\u00edklad 2: Anal\u00fdza sez\u00f3nn\u00edch n\u00e1v\u0161t\u011bvnost\u00ed webu<\/strong><\/p>\n
    M\u00e1me m\u011bs\u00ed\u010dn\u00ed data o n\u00e1v\u0161t\u011bvnosti webu za posledn\u00ed 2 roky a chceme s p\u0159ihl\u00e9dnut\u00edm ke seiz\u00f3nn\u00edm vliv\u016fm predikovat n\u00e1v\u0161t\u011bvnost pro nadch\u00e1zej\u00edc\u00ed m\u011bs\u00edce.<\/p>\n
     Data o n\u00e1v\u0161t\u011bvnosti (zn\u00e1m\u00e9_y): [1200, 1300, 1250, 1380, 1400, 1350, 1500, 1550, 1520, 1600, 1620, 1500, ..., 1650] \u010casov\u00e9 obdob\u00ed (zn\u00e1m\u00e9_x): [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,..., 24]<\/code> <\/pre>\n
    Pro zji\u0161t\u011bn\u00ed intervalu d\u016fv\u011bry pro 25. m\u011bs\u00edc p\u0159i hladin\u011b v\u00fdznamnosti 0.01, zvol\u00edme:<\/p>\n
     v\u00fdsledek = FORECAST.ETS.CONFINT(25, B2:B25, A2:A25, 0.01)<\/code> <\/pre>\n
    V\u00fdsledkem je interval spolehlivosti pro 25. m\u011bs\u00edc, kter\u00fd zohled\u0148uje potenci\u00e1ln\u00ed sez\u00f3nn\u00ed fluktuaci n\u00e1v\u0161t\u011bvnosti s vy\u0161\u0161\u00ed \u00farovn\u00ed p\u0159esnosti d\u00edky ni\u017e\u0161\u00ed hodnot\u011b alfa.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed interval spolehlivosti pro p\u0159edpov\u00eddanou hodnotu v zadan\u00e9m c\u00edlov\u00e9m datu<\/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-5584","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta property=\"og:description\" content=\"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/\" \/>\n<meta property=\"og:site_name\" content=\"Function Translator\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-15T13:34:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-26T09:55:40+00:00\" \/>\n<meta name=\"author\" content=\"glavadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"glavadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/\",\"url\":\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/\",\"name\":\"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule\",\"isPartOf\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\"},\"datePublished\":\"2025-07-15T13:34:45+00:00\",\"dateModified\":\"2021-02-26T09:55:40+00:00\",\"author\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\"},\"description\":\"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\",\"breadcrumb\":{\"@id\":\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Funkce aplikace Excel\",\"item\":\"https:\/\/functiontranslator.com\/cs\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Statistick\u00e9\",\"item\":\"https:\/\/functiontranslator.com\/cs\/statisticke\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FORECAST.ETS.CONFINT\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\",\"url\":\"https:\/\/functiontranslator.com\/no\/\",\"name\":\"Function Translator\",\"description\":\"Excel function translator\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/functiontranslator.com\/no\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\",\"name\":\"glavadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"caption\":\"glavadmin\"},\"sameAs\":[\"https:\/\/functiontranslator.com\"],\"url\":\"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule","description":"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/","og_locale":"cs_CZ","og_type":"article","og_title":"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule","og_description":"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","og_url":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/","og_site_name":"Function Translator","article_published_time":"2025-07-15T13:34:45+00:00","article_modified_time":"2021-02-26T09:55:40+00:00","author":"glavadmin","twitter_card":"summary_large_image","twitter_title":"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule","twitter_misc":{"Napsal(a)":"glavadmin","Odhadovan\u00e1 doba \u010dten\u00ed":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/","url":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/","name":"Funkce FORECAST.ETS.CONFINT v Excelu: jak funguje, primjeri kori\u0161tenja formule","isPartOf":{"@id":"https:\/\/functiontranslator.com\/no\/#website"},"datePublished":"2025-07-15T13:34:45+00:00","dateModified":"2021-02-26T09:55:40+00:00","author":{"@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389"},"description":"Opis funkcije FORECAST.ETS.CONFINT u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","breadcrumb":{"@id":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/functiontranslator.com\/cs\/forecast-ets-confint\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Funkce aplikace Excel","item":"https:\/\/functiontranslator.com\/cs\/"},{"@type":"ListItem","position":2,"name":"Statistick\u00e9","item":"https:\/\/functiontranslator.com\/cs\/statisticke\/"},{"@type":"ListItem","position":3,"name":"FORECAST.ETS.CONFINT"}]},{"@type":"WebSite","@id":"https:\/\/functiontranslator.com\/no\/#website","url":"https:\/\/functiontranslator.com\/no\/","name":"Function Translator","description":"Excel function translator","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/functiontranslator.com\/no\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Person","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389","name":"glavadmin","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","caption":"glavadmin"},"sameAs":["https:\/\/functiontranslator.com"],"url":"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/comments?post=5584"}],"version-history":[{"count":2,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5584\/revisions"}],"predecessor-version":[{"id":30722,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5584\/revisions\/30722"}],"wp:attachment":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/media?parent=5584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/categories?post=5584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/tags?post=5584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}