{"id":5543,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/dsmdoch-vyber\/"},"modified":"2021-02-26T09:54:22","modified_gmt":"2021-02-26T09:54:22","slug":"dstdev","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/dstdev\/","title":{"rendered":"DSMDOCH.V\u00ddB\u011aR"},"content":{"rendered":"

Funkce DSTDEV (v anglick\u00e9 verzi STDEV.S) v Microsoft Excel a DSMDOCH.V\u00ddB\u011aR v Google Sheets poskytuje mo\u017enost vypo\u010d\u00edtat v\u00fdb\u011brovou sm\u011brodatnou odchylku pro specifick\u00e9 skupiny dat v r\u00e1mci v\u011bt\u0161\u00ed datab\u00e1ze, na z\u00e1klad\u011b definovan\u00fdch krit\u00e9ri\u00ed v\u00fdb\u011bru. Tato statistick\u00e1 funkce je kl\u00ed\u010dov\u00e1 pro anal\u00fdzu subskupin dat, kter\u00e9 vy\u017eaduj\u00ed zvl\u00e1\u0161tn\u00ed pozornost.<\/p>\n

Z\u00e1kladn\u00ed popis a syntaxe funkce<\/h2>\n

Funkce DSTDEV vyb\u00edr\u00e1 a analyzuje data podle zadan\u00fdch parametr\u016f a po\u017eadavk\u016f, a n\u00e1sledn\u011b spo\u010d\u00edt\u00e1 sm\u011brodatnou odchylku pro vyfiltrovan\u00e9 hodnoty.<\/p>\n

Excel: =DSTDEV(datab\u00e1ze; pole; kriteria) Google Sheets: =DSMDOCH.V\u00ddB\u011aR(datab\u00e1ze; pole, kriteria)<\/code><\/pre>\n
Parametry funkce jsou definov\u00e1ny n\u00e1sledovn\u011b:<\/p>\n
    \n
  • datab\u00e1ze<\/strong>: Rozsah bun\u011bk obsahuj\u00edc\u00ed kompletn\u00ed dataset v\u010detn\u011b z\u00e1hlav\u00ed.<\/li>\n
  • pole<\/strong>: \u010c\u00edslo indexu sloupce nebo n\u00e1zev sloupce v uvozovk\u00e1ch, z n\u011bho\u017e se m\u00e1 sm\u011brodatn\u00e1 odchylka po\u010d\u00edtat. N\u00e1zev by m\u011bl odpov\u00eddat z\u00e1hlav\u00ed uveden\u00e9mu v datab\u00e1zi.<\/li>\n
  • kriteria<\/strong>: Rozsah, kde prvn\u00ed \u0159\u00e1dek obsahuje n\u00e1zvy sloupc\u016f a n\u00e1sleduj\u00edc\u00ed \u0159\u00e1dky definuj\u00ed podm\u00ednky pro v\u00fdb\u011br dat, kter\u00e1 se zapo\u010d\u00edt\u00e1vaj\u00ed do v\u00fdpo\u010dtu.<\/li>\n<\/ul>\n
    P\u0159\u00edklady vyu\u017eit\u00ed v praxi<\/h2>\n
    P\u0159\u00edklad 1: Anal\u00fdza prodej\u016f<\/h2>\n
    P\u0159edstavte si dataset s prodeji produkt\u016f v r\u016fzn\u00fdch oblastech a m\u011bs\u00edc\u00edch. Chceme vypo\u010d\u00edtat sm\u011brodatnou odchylku prodej\u016f produkt\u016f prodan\u00fdch v oblasti „Jih“ b\u011bhem m\u011bs\u00edce „Z\u00e1\u0159\u00ed“.<\/p>\n
    Datab\u00e1zov\u00e1 tabulka by mohla vypadat takto:<\/p>\n\n\n\n
    Produkt<\/th>\nOblast<\/th>\nM\u011bs\u00edc<\/th>\nProdeje<\/th>\n<\/tr>\n
    Produkt A<\/td>\nJih<\/td>\nZ\u00e1\u0159\u00ed<\/td>\n150<\/td>\n<\/tr>\n
      <\/table>\n
    Krit\u00e9ria pro v\u00fdpo\u010det by byla:<\/p>\n\n\n\n
    Oblast<\/th>\nM\u011bs\u00edc<\/th>\n<\/tr>\n
    Jih<\/td>\nZ\u00e1\u0159\u00ed<\/td>\n<\/tr>\n<\/table>\n
    =DSTDEV(A1:D100; \"Prodeje\"; G1:H2)<\/code><\/pre>\n
    V\u00fdsledkem bude sm\u011brodatn\u00e1 odchylka prodej\u016f v oblasti „Jih“ a m\u011bs\u00edce „Z\u00e1\u0159\u00ed“ na z\u00e1klad\u011b zadan\u00fdch parametr\u016f.<\/p>\n
    P\u0159\u00edklad 2: Hodnocen\u00ed student\u016f<\/h2>\n
    M\u00e1me datab\u00e1zi s v\u00fdsledky student\u016f a po\u010d\u00edt\u00e1me sm\u011brodatnou odchylku zn\u00e1mek pro studenty oboru Biologie.<\/p>\n
    Tabulka s daty:<\/p>\n\n\n\n
    Student<\/th>\nObor<\/th>\nZn\u00e1mka<\/th>\n<\/tr>\n
    Jan Nov\u00e1k<\/td>\nBiologie<\/td>\n2<\/td>\n<\/tr>\n
      <\/table>\n
    Krit\u00e9ria pro v\u00fdpo\u010det:<\/p>\n\n\n\n
    Obor<\/th>\n<\/tr>\n
    Biologie<\/td>\n<\/tr>\n<\/table>\n
    =DSTDEV(A1:C100; \"Zn\u00e1mka\"; F1:F2)<\/code><\/pre>\n
    Tento v\u00fdpo\u010det n\u00e1m uk\u00e1\u017ee sm\u011brodatnou odchylku zn\u00e1mek pro studenty studuj\u00edc\u00ed Biologii.<\/p>\n
    P\u0159edstaven\u00e9 p\u0159\u00edklady ukazuj\u00ed, jak funkce DSTDEV a DSMDOCH.V\u00ddB\u011aR jsou efektivn\u011b vyu\u017eiteln\u00e9 k analyzov\u00e1n\u00ed specifick\u00fdch segment\u016f dat z ob\u0161\u00edrn\u011bj\u0161\u00ed datab\u00e1ze s pou\u017eit\u00edm jasn\u011b ur\u010den\u00fdch krit\u00e9ri\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Odhadne sm\u011brodatnou odchylku v\u00fdb\u011bru 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-5543","post","type-post","status-publish","format-standard","hentry","category-databaz"],"acf":[],"yoast_head":"\nFunkce DSTDEV (DSMDOCH.V\u00ddB\u011aR) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije DSTDEV (DSMDOCH.V\u00ddB\u011aR) u Excelu i Google tablicama. 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