{"id":5485,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/correl\/"},"modified":"2021-02-26T09:52:02","modified_gmt":"2021-02-26T09:52:02","slug":"correl","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/correl\/","title":{"rendered":"CORREL"},"content":{"rendered":"

Funkce CORREL v MS Excel a Google Sheets se pou\u017e\u00edv\u00e1 pro v\u00fdpo\u010det koeficientu korelace mezi dv\u011bma sadami dat. Koeficient korelace indikuje s\u00edlu a sm\u011br vztahu mezi dv\u011bma prom\u011bnn\u00fdmi. Hodnota koeficientu se pohybuje od -1 do 1, kde 1 p\u0159edstavuje dokonalou pozitivn\u00ed korelaci, -1 dokonalou negativn\u00ed korelaci, a 0 zna\u010d\u00ed absence korelace. Tato funkce je kl\u00ed\u010dov\u00e1 pro statistickou anal\u00fdzu a pom\u00e1h\u00e1 odhalit vztahy mezi r\u016fzn\u00fdmi prom\u011bnn\u00fdmi.<\/p>\n

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

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

=CORREL(array1, array2)<\/code><\/pre>\n
    \n
  • array1<\/code>: Prvn\u00ed sada dat.<\/li>\n
  • array2<\/code>: Druh\u00e1 sada dat.<\/li>\n<\/ul>\n
    P\u0159\u00edklad pou\u017eit\u00ed:<\/p>\n
    M\u00e1te dv\u011b mno\u017einy dat: jedna (A1:A5<\/code>) obsahuje v\u011bk \u00fa\u010dastn\u00edk\u016f kurzu a druh\u00e1 (B1:B5<\/code>) jejich sk\u00f3re z kone\u010dn\u00e9ho testu. Chcete zjistit, jestli mezi v\u011bkem a sk\u00f3re existuje korelace.<\/p>\n\n\n\n\n\n\n\n
    V\u011bk<\/td>\nSk\u00f3re<\/td>\n<\/tr>\n
    21<\/td>\n88<\/td>\n<\/tr>\n
    25<\/td>\n92<\/td>\n<\/tr>\n
    30<\/td>\n81<\/td>\n<\/tr>\n
    35<\/td>\n90<\/td>\n<\/tr>\n
    40<\/td>\n85<\/td>\n<\/tr>\n<\/table>\n
    Formule pro anal\u00fdzu korelace vypad\u00e1 takto:<\/p>\n
    =CORREL(A1:A5, B1:B5)<\/code><\/pre>\n
    Praktick\u00e9 p\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n
    Korelace najde uplatn\u011bn\u00ed nap\u0159\u00ed\u010d r\u016fzn\u00fdmi obory, jako finan\u010dn\u00ed sektor \u010di zdravotnictv\u00ed. Zde jsou dva specifick\u00e9 p\u0159\u00edklady, kde m\u016f\u017ee b\u00fdt funkce CORREL obzvl\u00e1\u0161t\u011b prosp\u011b\u0161n\u00e1:<\/p>\n
    P\u0159\u00edklad 1: Finan\u010dn\u00ed anal\u00fdza<\/h2>\n
    Jako finan\u010dn\u00ed analytik chcete posoudit vztah mezi cenami akci\u00ed dvou technologick\u00fdch spole\u010dnost\u00ed s c\u00edlem hodnotit rizika a p\u0159\u00edle\u017eitosti pro diverzifikaci investic. Pro anal\u00fdzu m\u016f\u017eete pou\u017e\u00edt denn\u00ed uzav\u00edrac\u00ed ceny akci\u00ed obou firem za uplynul\u00fd rok:<\/p>\n
    =CORREL(C1:C365, D1:D365)<\/code><\/pre>\n
    Tato anal\u00fdza nab\u00edz\u00ed p\u0159ehled o tom, jak siln\u011b jsou ceny akci\u00ed obou spole\u010dnost\u00ed vz\u00e1jemn\u011b propojeny a m\u016f\u017ee ovlivnit investi\u010dn\u00ed strategie.<\/p>\n
    P\u0159\u00edklad 2: V\u00fdzkum ve zdravotnictv\u00ed<\/h2>\n
    V zdravotnick\u00e9m v\u00fdzkumu lze funkci CORREL vyu\u017e\u00edt k anal\u00fdze vztahu mezi dv\u011bma zdravotn\u00edmi ukazateli, jako je krevn\u00ed tlak a hladina cholesterolu. P\u0159edstavte si, \u017ee jste shrom\u00e1\u017edili data od r\u016fzn\u00fdch pacient\u016f:<\/p>\n
    =CORREL(E1:E100, F1:F100)<\/code><\/pre>\n
    Analyzov\u00e1n\u00ed korelace mezi t\u011bmito faktory m\u016f\u017ee l\u00e9ka\u0159\u016fm a v\u00fdzkumn\u00edk\u016fm pomoci l\u00e9pe pochopit souvislosti mezi zdravotn\u00edmi probl\u00e9my a p\u0159isp\u011bt k diagnostice nebo pl\u00e1nov\u00e1n\u00ed l\u00e9\u010dby.<\/p>\n
    V obou p\u0159\u00edkladech funkce CORREL poskytuje kl\u00ed\u010dov\u00e9 informace pro strategick\u00e9 rozhodov\u00e1n\u00ed a v\u011bdeck\u00fd v\u00fdzkum.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed korela\u010dn\u00ed koeficient mezi dv\u011bma mno\u017einami dat<\/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-5485","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce CORREL v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije CORREL u Excelu i Google tablicama. 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