{"id":5577,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/fisherinv\/"},"modified":"2021-02-26T09:55:26","modified_gmt":"2021-02-26T09:55:26","slug":"fisherinv","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/fisherinv\/","title":{"rendered":"FISHERINV"},"content":{"rendered":"

\u00davod do statistick\u00e9 funkce ve spreadsheet aplikac\u00edch<\/h2>\n

Funkce FISHERINV je vyu\u017e\u00edv\u00e1na k v\u00fdpo\u010dtu inverzn\u00ed Fisherovy transformace. Tato transformace se hojn\u011b pou\u017e\u00edv\u00e1 ve statistice, zejm\u00e9na pro p\u0159evod korela\u010dn\u00edch koeficient\u016f do formy s p\u0159ibli\u017en\u011b norm\u00e1ln\u00edm rozd\u011blen\u00edm hodnot, co\u017e umo\u017e\u0148uje efektivn\u011bj\u0161\u00ed manipulaci a anal\u00fdzu dat.<\/p>\n

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

Syntaxe funkce FISHERINV v Microsoft Excel a Google Sheets je zcela p\u0159\u00edmo\u010dar\u00e1 a zahrnuje jedin\u00fd argument:<\/p>\n

FISHERINV(y)<\/code><\/pre>\n
Kde y<\/i> reprezentuje hodnotu, pro ni\u017e se po\u010d\u00edt\u00e1 inverzn\u00ed Fisherova transformace.<\/p>\n
Nap\u0159\u00edklad, m\u00e1me-li hodnotu Fisherovy transformace 0.972955, inverzn\u00ed Fisherova transformace se vypo\u010d\u00edt\u00e1 jako:<\/p>\n
=FISHERINV(0.972955)<\/code><\/pre>\n
Tento v\u00fdpo\u010det vr\u00e1t\u00ed hodnotu p\u0159ibli\u017en\u011b 0.754, co\u017e by mohlo odpov\u00eddat p\u016fvodn\u00edmu korela\u010dn\u00edmu koeficientu p\u0159ed aplikac\u00ed Fisherovy transformace.<\/p>\n
Vyu\u017eit\u00ed v praxi<\/h2>\n
    \n
  • Analyza korelac\u00ed:<\/strong> P\u0159i meta-anal\u00fdze n\u011bkolika studi\u00ed, kde je uv\u00e1d\u011bn korela\u010dn\u00ed koeficient, Fisherova transformace umo\u017e\u0148uje lep\u0161\u00ed srovn\u00e1n\u00ed t\u011bchto koeficient\u016f, jeliko\u017e minimalizuje zkreslen\u00ed zp\u016fsoben\u00e9 extr\u00e9mn\u00edmi hodnotami.<\/li>\n
  • Srovn\u00e1vac\u00ed studie:<\/strong> P\u0159i srovn\u00e1n\u00ed datov\u00fdch skupin m\u016f\u017ee b\u00fdt p\u0159\u00ednosn\u00e9 transformovat korelace do norm\u00e1ln\u011bji distribuovan\u00e9 formy, co\u017e umo\u017e\u0148uje vyu\u017eit\u00ed parametrick\u00fdch test\u016f k detekci v\u00fdznamn\u00fdch rozd\u00edl\u016f.<\/li>\n<\/ul>\n
    P\u0159\u00edklady aplikace<\/h2>\n\n\n\n\n
    Krok<\/th>\nPopis<\/th>\nP\u0159\u00edklad<\/th>\n<\/tr>\n
    1<\/td>\nV\u00fdpo\u010det Fisherovy transformace pro korela\u010dn\u00ed koeficient.<\/td>\nM\u00e1me-li korela\u010dn\u00ed koeficient r = 0.8: 
    =FISHER(0.8)<\/code>
    To vr\u00e1t\u00ed hodnotu p\u0159ibli\u017en\u011b 1.098612.<\/td>\n<\/tr>\n
    2<\/td>\nVyu\u017eit\u00ed inverzn\u00ed Fisherovy transformace pro meta-anal\u00fdzu.<\/td>\nPo z\u00edsk\u00e1n\u00ed pr\u016fm\u011brn\u00e9 Fisherovy transformace z n\u011bkolika studi\u00ed, \u0159ekn\u011bme 0.5, pou\u017eijeme FISHERINV k obnoven\u00ed p\u016fvodn\u00edho korela\u010dn\u00edho koeficientu: 
    =FISHERINV(0.5)<\/code>
    To vr\u00e1t\u00ed hodnotu p\u0159ibli\u017en\u011b 0.462.<\/td>\n<\/tr>\n<\/table>\n
    Z\u00e1v\u011bre\u010dn\u00e9 pozn\u00e1mky<\/h2>\n
    Pou\u017eit\u00ed funkce FISHERINV m\u016f\u017ee b\u00fdt velmi prosp\u011b\u0161n\u00e9 v r\u016fzn\u00fdch statistick\u00fdch anal\u00fdz\u00e1ch, kde jsou data preferov\u00e1na v norm\u00e1ln\u011b rozlo\u017een\u00e9 form\u011b. Je d\u016fle\u017eit\u00e9, \u017ee u\u017eivatel\u00e9 ch\u00e1pou kontext jej\u00edho vyu\u017cit\u00ed a sou\u010dasn\u011b jsou si v\u011bdomi jej\u00edch limitac\u00ed, zvl\u00e1\u0161t\u011b p\u0159i extr\u00e9mn\u00edch hodnot\u00e1ch korela\u010dn\u00edho koeficientu.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed hodnotu inverzn\u00ed funkce k\u00a0Fisherov\u011b transformaci<\/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-5577","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"\nFunkce FISHERINV v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije FISHERINV u Excelu i Google tablicama. 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