{"id":5548,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/dvar\/"},"modified":"2021-02-26T09:54:36","modified_gmt":"2021-02-26T09:54:36","slug":"dvarp","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/dvarp\/","title":{"rendered":"DVAR"},"content":{"rendered":"<h2>Popis funkce pro anal\u00fdzu dat<\/h2>\n<p>Funkce, kter\u00e1 se pou\u017e\u00edv\u00e1 v MS Excel a Google \u0422\u0430\u0431\u043b\u0438\u0446\u0430\u0445 k v\u00fdpo\u010dtu rozptylu z\u00e1kladn\u00edho souboru dat, o kter\u00e9m p\u0159edpokl\u00e1d\u00e1me, \u017ee reprezentuje celou populaci. Rozptyl je m\u00edra variability nebo disperze sady hodnot. Tato funk\u010dnost je ide\u00e1ln\u00ed pro rozli\u0161en\u00ed rozd\u00edl\u016f v datech, rozpozn\u00e1n\u00ed nerovnom\u011brnosti datov\u00e9 sady a je \u010dasto vyu\u017e\u00edv\u00e1na v statistick\u00e9 anal\u00fdze a datov\u00e9 anal\u00fdze.<\/p>\n<h2>Syntaxe a pou\u017eit\u00ed<\/h2>\n<p>Syntaxe funkce v MS Excel je:<\/p>\n<pre><code>=DVARP(database, field, criteria)<\/code><\/pre>\n<p>Kde <strong>database<\/strong> je rozsah bun\u011bk, kter\u00fd obsahuje \u00fadaje, <strong>field<\/strong> ozna\u010duje sloupec dat v r\u00e1mci datab\u00e1ze, kter\u00fd chceme analyzovat, a <strong>criteria<\/strong> je rozsah bun\u011bk, kter\u00fd obsahuje specifick\u00e1 krit\u00e9ria pro vyb\u00edr\u00e1n\u00ed \u0159\u00e1dk\u016f z datab\u00e1ze.<\/p>\n<p>V Google \u0422\u0430\u0431\u043b\u0438\u0446\u0430\u0445 syntaxe z\u016fst\u00e1v\u00e1 prakticky stejn\u00e1:<\/p>\n<pre><code>=DVARP(database, field, criteria)<\/code><\/pre>\n<p>P\u0159\u00edklad: V p\u0159\u00edpad\u011b, \u017ee chceme vypo\u010d\u00edtat rozptyl cen produkt\u016f v cel\u00e9 datab\u00e1zi podle ur\u010dit\u00e9ho krit\u00e9ria (nap\u0159\u00edklad ur\u010dit\u00e1 kategorie produkt\u016f):<\/p>\n<pre><code>=DVARP(A1:C100, \"Cena\", A1:A100=\"KategorieA\")<\/code><\/pre>\n<p>Tento p\u0159\u00edklad vyhodnot\u00ed rozptyl v sloupci &#8222;Cena&#8220; pro v\u0161echny z\u00e1znamy v datab\u00e1zi od A1 do C100, kter\u00e9 odpov\u00eddaj\u00ed &#8222;KategorieA&#8220; v sloupci A.<\/p>\n<h2>P\u0159\u00edklady praktick\u00e9ho pou\u017eit\u00ed<\/h2>\n<p><strong>1. Anal\u00fdza finan\u010dn\u00ed variability<\/strong><\/p>\n<p>Spole\u010dnost chce analyzovat rozptyl m\u011bs\u00ed\u010dn\u00edch v\u00fddaj\u016f za posledn\u00ed rok. Data obsahuj\u00ed m\u011bs\u00ed\u010dn\u00ed v\u00fddaje ve sloupci &#8222;V\u00fddaje&#8220; a mesice ve sloupci &#8222;M\u011bs\u00edc&#8220;.<\/p>\n<pre><code>=DVARP(B2:B13, \"V\u00fddaje\", A2:A13=\"2023\")<\/code><\/pre>\n<p>Tato funkce spo\u010d\u00edt\u00e1 rozptyl v\u0161ech v\u00fddaj\u016f za rok 2023 a umo\u017en\u00ed finan\u010dn\u00edmu t\u00fdmu l\u00e9pe porozum\u011bt variability ve v\u00fddaj\u00edch a p\u0159ipravit se na mo\u017en\u00e9 budouc\u00ed fluktuace.<\/p>\n<p><strong>2. Hodnocen\u00ed variability cen produkt\u016f<\/strong><\/p>\n<p>E-shop chce zjistit, jak velk\u00fd je rozd\u00edl v cen\u00e1ch pro jednotliv\u00e9 kategorie produkt\u016f, aby mohli lep\u0161\u00ed \u0159\u00eddit svou cenovou strategii.<\/p>\n<pre><code>=DVARP(A3:C500, \"Cena\", A3:A500=\"Elektronika\") =DVARP(A3:C500, \"Cena\", A3:A500=\"Dom\u00e1c\u00ed pot\u0159eby\")<\/code><\/pre>\n<p>Pomoc\u00ed t\u011bchto formul\u00ed rozli\u0161ujeme rozptyl cen mezi dv\u011bma hlavn\u00edmi kategoriemi. V\u00fdsledky mohou napomoci p\u0159i rozhodov\u00e1n\u00ed o cenov\u00e9 politice v oblasti Elektroniky a Dom\u00e1c\u00edch pot\u0159eb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vypo\u010dte rozptyl z\u00e1kladn\u00edho souboru vybran\u00fdch polo\u017eek datab\u00e1ze<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[294],"tags":[],"class_list":["post-5548","post","type-post","status-publish","format-standard","hentry","category-databaz"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkce DVARP (DVAR) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije DVARP (DVAR) u Excelu i Google tablicama. 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