{"id":5649,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/intercept\/"},"modified":"2021-02-26T09:57:56","modified_gmt":"2021-02-26T09:57:56","slug":"intercept","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/intercept\/","title":{"rendered":"INTERCEPT"},"content":{"rendered":"<p>V oblasti tabulkov\u00fdch kalkulac\u00ed, jako jsou Microsoft Excel a Google Sheets, existuje mnoho funkc\u00ed ur\u010den\u00fdch pro statistick\u00e9 v\u00fdpo\u010dty, kter\u00e9 umo\u017e\u0148uj\u00ed efektivn\u00ed anal\u00fdzu a interpretaci dat. Jednou z t\u011bchto kl\u00ed\u010dov\u00fdch funkc\u00ed je INTERCEPT, je\u017e slou\u017e\u00ed k v\u00fdpo\u010dtu y-odchylky pro line\u00e1rn\u00ed regresn\u00ed p\u0159\u00edmku. Tato funkce je neoceniteln\u00fdm n\u00e1strojem p\u0159i prov\u00e1d\u011bn\u00ed line\u00e1rn\u00ed regrese pro ur\u010den\u00ed vztahu mezi dv\u011bma prom\u011bnn\u00fdmi.<\/p>\n<h2>Detailn\u00ed popis a syntaxe<\/h2>\n<p>Funkce INTERCEPT poskytuje y-odchylku (y-intercept) line\u00e1rn\u00ed regrese, co\u017e je bod, kde regresn\u00ed p\u0159\u00edmka prot\u00edn\u00e1 osovou osu y. Syntaxe t\u00e9to funkce se m\u00edrn\u011b li\u0161\u00ed v z\u00e1vislosti na pou\u017eit\u00e9m programu:<\/p>\n<ul>\n<li><strong>Microsoft Excel:<\/strong> <code>INTERCEPT(y_hodnoty, x_hodnoty)<\/code><\/li>\n<li><strong>Google Sheets:<\/strong> <code>INTERCEPT(y_hodnoty, x_hodnoty)<\/code><\/li>\n<\/ul>\n<p>V syntaxi funkc\u00ed <code>y_hodnoty<\/code> reprezentuj\u00ed z\u00e1visl\u00e9 prom\u011bnn\u00e9 a <code>x_hodnoty<\/code> nez\u00e1visl\u00e9 prom\u011bnn\u00e9.<\/p>\n<pre><code>Nap\u0159\u00edklad, pokud m\u00e1me data: X-hodnoty: 1, 2, 3, 4, 5 Y-hodnoty: 2, 4, 5, 4, 6 Formule v Excel nebo Google Sheets by pak vypadala n\u00e1sledovn\u011b: =INTERCEPT(A2:A6, B2:B6)<\/code><\/pre>\n<h2>Praktick\u00e9 p\u0159\u00edpadov\u00e9 studie<\/h2>\n<h2>P\u0159\u00edklad 1: P\u0159edpov\u011b\u010f prodeje<\/h2>\n<p>P\u0159edstavte si, \u017ee vlastn\u00edte spole\u010dnost, kter\u00e1 prod\u00e1v\u00e1 \u0159adu produkt\u016f, a m\u00e1te k dispozici data o reklamn\u00edch v\u00fddaj\u00edch a odpov\u00eddaj\u00edc\u00edch prodej\u00edch za posledn\u00edch 5 let. Tato data chcete vyu\u017e\u00edt k p\u0159edpov\u011bdi prodej\u016f na z\u00e1klad\u011b pl\u00e1novan\u00fdch reklamn\u00edch v\u00fddaj\u016f.<\/p>\n<table>\n<tr>\n<th>Rok<\/th>\n<th>Reklamn\u00ed v\u00fddaje (v tis\u00edc\u00edch)<\/th>\n<th>Prodej (v milionech)<\/th>\n<\/tr>\n<tr>\n<td>2018<\/td>\n<td>200<\/td>\n<td>1.2<\/td>\n<\/tr>\n<tr>\n<td>2019<\/td>\n<td>250<\/td>\n<td>1.5<\/td>\n<\/tr>\n<tr>\n<td>2020<\/td>\n<td>300<\/td>\n<td>1.8<\/td>\n<\/tr>\n<tr>\n<td>2021<\/td>\n<td>350<\/td>\n<td>2.1<\/td>\n<\/tr>\n<tr>\n<td>2022<\/td>\n<td>400<\/td>\n<td>2.4<\/td>\n<\/tr>\n<\/table>\n<p>Pou\u017eit\u00edm n\u00e1sleduj\u00edc\u00ed formule z\u00edsk\u00e1te y-odchylku, kter\u00e1 ukazuje po\u010d\u00e1te\u010dn\u00ed \u00farove\u0148 prodeje v p\u0159\u00edpad\u011b, \u017ee by nebyly vynalo\u017eeny n\u00e1klady na reklamu:<\/p>\n<pre><code>=INTERCEPT(B2:B6, C2:C6)<\/code><\/pre>\n<h2>P\u0159\u00edklad 2: Anal\u00fdza akademick\u00e9ho v\u00fdkonu<\/h2>\n<p>M\u00e1te k dispozici data o po\u010dtu hodin str\u00e1ven\u00fdch studiem studenty a jejich v\u00fdsledc\u00edch ze zkou\u0161ek. Chcete prozkoumat, jak\u00fd vztah existuje mezi d\u00e9lkou studia a v\u00fdsledky zkou\u0161ek.<\/p>\n<table>\n<tr>\n<th>Student<\/th>\n<th>Hodiny u\u010den\u00ed<\/th>\n<th>Sk\u00f3re<\/th>\n<\/tr>\n<tr>\n<td>Alice<\/td>\n<td>5<\/td>\n<td>75<\/td>\n<\/tr>\n<tr>\n<td>Bob<\/td>\n<td>8<\/td>\n<td>82<\/td>\n<\/tr>\n<tr>\n<td>Clara<\/td>\n<td>3<\/td>\n<td>60<\/td>\n<\/tr>\n<tr>\n<td>David<\/td>\n<td>2<\/td>\n<td>55<\/td>\n<\/tr>\n<tr>\n<td>Elle<\/td>\n<td>9<\/td>\n<td>90<\/td>\n<\/tr>\n<\/table>\n<p>Vyu\u017eit\u00edm t\u00e9to formule zjist\u00edte y-odchylku, kter\u00e1 odpov\u00edd\u00e1 o\u010dek\u00e1van\u00e9mu sk\u00f3re zkou\u0161ky, pokud by studenti v\u016fbec nev\u011bnovali \u010das studiu:<\/p>\n<pre><code>=INTERCEPT(B2:B6, C2:C6)<\/code><\/pre>\n<p>Takto funkc\u00ed INTERCEPT z\u00edsk\u00e1v\u00e1me cenn\u00e9 informace pro r\u016fzn\u00e9 analytick\u00e9 \u00fa\u010dely, kdy\u017e pot\u0159ebujeme rozum\u011bt a p\u0159edpov\u00eddat chov\u00e1n\u00ed z\u00e1visl\u00fdch prom\u011bnn\u00fdch na z\u00e1klad\u011b nez\u00e1visl\u00fdch prom\u011bnn\u00fdch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vr\u00e1t\u00ed \u00fasek line\u00e1rn\u00ed regresn\u00ed \u010d\u00e1ry<\/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-5649","post","type-post","status-publish","format-standard","hentry","category-statisticke"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkce INTERCEPT v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije INTERCEPT u Excelu i Google tablicama. 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