{"id":5659,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/je-nedef\/"},"modified":"2021-02-26T09:58:16","modified_gmt":"2021-02-26T09:58:16","slug":"isna","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/isna\/","title":{"rendered":"JE.NEDEF"},"content":{"rendered":"

Co je funkce JE.NEDEF<\/h2>\n

Funkce JE.NEDEF (v anglick\u00e9 verzi ISNA) je u\u017eite\u010dn\u00fd n\u00e1stroj v aplikac\u00edch Excel a Google Sheets, kter\u00fd umo\u017e\u0148uje u\u017eivatel\u016fm testovat, zda n\u00e1vratov\u00e1 hodnota bu\u0148ky nebo v\u00fdrazu odpov\u00edd\u00e1 chyb\u011b #N\/A. Tato specifick\u00e1 chyba, znamenaj\u00edc\u00ed „hodnota nen\u00ed dostupn\u00e1 nebo neexistuje“, se \u010dasto objevuje p\u0159i ne\u00fasp\u011b\u0161n\u00e9m hled\u00e1n\u00ed dat pomoc\u00ed funkc\u00ed jako VLOOKUP nebo MATCH.<\/p>\n

Syntaxe a pou\u017eit\u00ed<\/h2>\n

Syntaxe funkce JE.NEDEF je n\u00e1sleduj\u00edc\u00ed:<\/p>\n

=JE.NEDEF(hodnota)<\/code><\/pre>\n
Tady hodnota<\/code> reprezentuje odkaz na bu\u0148ku, vzorec nebo jinou funkci, kterou testujeme na p\u0159\u00edtomnost chyby #N\/A.<\/p>\n
P\u0159\u00edklad pou\u017eit\u00ed:<\/p>\n
    \n
  • Nap\u0159\u00edklad m\u00e1te v sloupci A seznam k\u00f3d\u016f produkt\u016f a ve sloupci B chcete pomoc\u00ed funkce VLOOKUP ov\u011b\u0159it dostupnost produktu. Pokud produkt neexistuje, VLOOKUP vr\u00e1t\u00ed chybu #N\/A. V takov\u00e9m p\u0159\u00edpad\u011b m\u016f\u017eete pou\u017e\u00edt funkci JE.NEDEF k detekci t\u00e9to chyby.<\/li>\n<\/ul>\n
    A B C D K\u00f3d N\u00e1zev Cena Dostupnost 123 Jablka 30 =VLOOKUP(A2,E:F,2,FALSE) 124 Hru\u0161ky 35 =VLOOKUP(A3,E:F,2,FALSE) <\/code><\/pre>\n
    V bun\u011bk D2 a D3 pou\u017eijeme JE.NEDEF takto:<\/p>\n
    =JE.NEDEF(VLOOKUP(A2,E:F,2,FALSE))<\/code><\/pre>\n
    Tento vzorec vr\u00e1t\u00ed FALSE<\/code> pro bu\u0148ku D2, proto\u017ee hodnota byla nalezena, a TRUE<\/code> pro bu\u0148ku D3, pokud k\u00f3d 124 nen\u00ed v seznamu E:F.<\/p>\n
    Praktick\u00e9 vyu\u017eit\u00ed funkce JE.NEDEF<\/h2>\n
    P\u0159\u00edklad 1: Zpracov\u00e1n\u00ed chyb p\u0159i vyhled\u00e1v\u00e1n\u00ed dat<\/h2>\n
    M\u00e1te datab\u00e1zi u\u017eivatelsk\u00fdch jmen a jejich e-mail\u016f ve sloupc\u00edch E a F a pokus\u00edte se nal\u00e9zt u\u017eivatelsk\u00e9 jm\u00e9no um\u00edst\u011bn\u00e9 v A2.<\/p>\n
    E F jm\u00e9no email Adam adam@mail.com Eva eva@mail.com <\/code><\/pre>\n
    Pou\u017eijete n\u00e1sleduj\u00edc\u00ed vzorec v bu\u0148ce B2 k ov\u011b\u0159en\u00ed existence u\u017eivatelsk\u00e9ho jm\u00e9na:<\/p>\n
    =JE.NEDEF(VLOOKUP(A2,E:F,2,FALSE))<\/code><\/pre>\n
    V\u00fdsledn\u00fd TRUE<\/code> znamen\u00e1, \u017ee u\u017eivatelsk\u00e9 jm\u00e9no nen\u00ed v seznamu, co\u017e by mohlo vy\u017eadovat dal\u0161\u00ed opat\u0159en\u00ed, jako je registrace chyb\u011bj\u00edc\u00edho jm\u00e9na.<\/p>\n
    P\u0159\u00edklad 2: O\u0161et\u0159en\u00ed nekompletn\u00edch dat v tabulk\u00e1ch<\/h2>\n
    P\u0159i manipulaci s rozs\u00e1hl\u00fdmi datov\u00fdmi sadami \u010dasto naraz\u00edte na ne\u00fapln\u00e9 informace, co\u017e m\u016f\u017ee v\u00e9st k chyb\u00e1m #N\/A. Funkce JE.NEDEF je zde skv\u011bl\u00fdm n\u00e1strojem k identifikaci t\u011bchto p\u0159\u00edpad\u016f.<\/p>\n
    P\u0159edstavte si, \u017ee m\u00e1te n\u00e1sleduj\u00edc\u00ed tabulku produkt\u016f:<\/p>\n\n\n\n\n
    Produkt<\/th>\nCena<\/th>\n<\/tr>\n
    Produkt A<\/td>\n200<\/td>\n<\/tr>\n
    Produkt B<\/td>\n150<\/td>\n<\/tr>\n<\/table>\n
    Informace o dodavatel\u00edch t\u011bchto produkt\u016f hled\u00e1te v sloupc\u00edch E a F. Pou\u017eijete n\u00e1sleduj\u00edc\u00ed vzorec v bu\u0148ce C2:<\/p>\n
    =JE.NEDEF(VLOOKUP(A2,E:F,2,FALSE))<\/code><\/pre>\n
    Jestli\u017ee v\u00fdsledek bude TRUE<\/code>, znamen\u00e1 to, \u017ee informace o dodavateli chyb\u00ed, co\u017e v\u00e1s m\u016f\u017ee v\u00e9st k \u00faprav\u011b va\u0161ich z\u00e1znam\u016f nebo k dal\u0161\u00edmu \u0161et\u0159en\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed hodnotu PRAVDA, pokud je argument hodnota chybov\u00e1 hodnota #NEN\u00cd_K_DISPOZICI<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[291],"tags":[],"class_list":["post-5659","post","type-post","status-publish","format-standard","hentry","category-informacni"],"acf":[],"yoast_head":"\nFunkce ISNA (JE.NEDEF) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije ISNA (JE.NEDEF) u Excelu i Google tablicama. 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