{"id":5492,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/countblank\/"},"modified":"2021-02-26T09:52:24","modified_gmt":"2021-02-26T09:52:24","slug":"countblank","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/countblank\/","title":{"rendered":"COUNTBLANK"},"content":{"rendered":"

Syntaxe a obecn\u00e9 vyu\u017eit\u00ed funkce pro po\u010d\u00edt\u00e1n\u00ed pr\u00e1zdn\u00fdch bun\u011bk<\/h2>\n

Funkce pro po\u010d\u00edt\u00e1n\u00ed pr\u00e1zdn\u00fdch bun\u011bk slou\u017e\u00ed k zji\u0161t\u011bn\u00ed, kolik bun\u011bk v dan\u00e9m rozsahu neobsahuje \u017e\u00e1dn\u00e1 data. Tato funkce je u\u017eite\u010dn\u00e1 ve sc\u00e9n\u00e1\u0159\u00edch, kde je pot\u0159eba analyzovat nebo kontrolovat kompletnost dat. Syntaxe t\u00e9to funkce v MS Excelu a Google Tabulk\u00e1ch je shodn\u00e1:<\/p>\n

=COUNTBLANK(rozsah)<\/code><\/pre>\n
rozsah<\/code> p\u0159edstavuje oblast bun\u011bk, kter\u00e9 chceme prozkoumat.<\/p>\n
Pou\u017eit\u00ed funkce pro anal\u00fdzu datov\u00e9 sady<\/h2>\n
P\u0159edstavme si, \u017ee m\u00e1me seznam klient\u016f a jejich emailov\u00e9 adresy v rozsahu A1:B100, kde A1:A100 obsahuj\u00ed jm\u00e9na klient\u016f a B1:B100 odpov\u00eddaj\u00edc\u00ed emailov\u00e9 adresy. N\u011bkter\u00e9 emailov\u00e9 adresy nejsou vypln\u011bn\u00e9. Chceme zjistit, kolik klient\u016f nem\u00e1 zadan\u00fd email. Toto je ide\u00e1ln\u00ed p\u0159\u00edle\u017eitost pro pou\u017eit\u00ed na\u0161\u00ed funkce:<\/p>\n
    \n
  • Otev\u0159ete si v\u00e1\u0161 se\u0161it v Excelu nebo Google Tabulk\u00e1ch.<\/li>\n
  • Zadejte funkci do libovoln\u00e9 pr\u00e1zdn\u00e9 bu\u0148ky, nap\u0159\u00edklad C1:\n
    =COUNTBLANK(B1:B100)<\/code><\/pre>\n<\/li>\n
  • V\u00fdsledkem v bu\u0148ce C1 bude po\u010det klient\u016f bez emailov\u00e9 adresy.<\/li>\n<\/ul>\n
    Tato informace m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e1 pro marketingov\u00fd t\u00fdm k identifikaci klient\u016f, kte\u0159\u00ed pot\u0159ebuj\u00ed dal\u0161\u00ed kontakt nebo aktualizaci \u00fadaj\u016f.<\/p>\n
    Zji\u0161t\u011bn\u00ed po\u010dtu nevypln\u011bn\u00fdch \u00fadaj\u016f v anket\u011b<\/h2>\n
    P\u0159edstavte si nyn\u00ed, \u017ee prov\u00e1d\u00edte pr\u016fzkum a m\u00e1te tabulku s odpov\u011b\u010fmi od respondent\u016f. V rozsahu C2:C100 jsou odpov\u011bdi na jednu ze z\u00e1kladn\u00edch ot\u00e1zek pr\u016fzkumu. Chcete zjistit, kolik respondent\u016f nezodpov\u011bd\u011blo tuto ot\u00e1zku. Pro tyto \u00fa\u010dely op\u011bt m\u016f\u017eeme vyu\u017e\u00edt na\u0161i funkci:<\/p>\n
      \n
    • Um\u00edst\u011bte kursor do bu\u0148ky, kde chcete z\u00edskat v\u00fdsledek, nap\u0159\u00edklad D1.<\/li>\n
    • Zadejte n\u00e1sleduj\u00edc\u00ed formuli:\n
      =COUNTBLANK(C2:C100)<\/code><\/pre>\n<\/li>\n
    • Ve bu\u0148ce D1 se nyn\u00ed zobraz\u00ed po\u010det respondent\u016f, kte\u0159\u00ed nezodpov\u011bd\u011bli danou ot\u00e1zku.<\/li>\n<\/ul>\n
      Tento \u00fadaj m\u016f\u017eete vyu\u017e\u00edt pro dal\u0161\u00ed statistick\u00e9 vyhodnocen\u00ed \u00fa\u010dinnosti pr\u016fzkumu nebo pro zv\u00fd\u0161en\u00ed anga\u017eovanosti dotazovan\u00fdch osob v budouc\u00edch pr\u016fzkumech.<\/p>\n
      Obs\u00e1hl\u00e9 pou\u017eit\u00ed t\u00e9to funkce v\u00e1m umo\u017en\u00ed efektivn\u011b spravovat a analyzovat data, kter\u00e1 vy\u017eaduj\u00ed dal\u0161\u00ed pozornost kv\u016fli chyb\u011bj\u00edc\u00edm informac\u00edm. Je to z\u00e1kladn\u00ed n\u00e1stroj pro ka\u017ed\u00e9ho, kdo pracuje s rozs\u00e1hl\u00fdmi datov\u00fdmi sadami v MS Excelu nebo Google Tabulk\u00e1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Spo\u010d\u00edt\u00e1 po\u010det pr\u00e1zdn\u00fdch bun\u011bk v\u00a0oblasti<\/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-5492","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce COUNTBLANK v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije COUNTBLANK u Excelu i Google tablicama. 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