{"id":468,"date":"2023-07-29T19:32:18","date_gmt":"2023-07-29T19:32:18","guid":{"rendered":"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/"},"modified":"2023-07-29T19:32:18","modified_gmt":"2023-07-29T19:32:18","slug":"r-max-nieistotne-dla-czynnikow","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/","title":{"rendered":"Interpretacja b\u0142\u0119d\u00f3w w r: \u201emax\u201d nieistotna dla czynnik\u00f3w"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">W pewnym momencie mo\u017cesz napotka\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w R:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>'max' not meaningful for factors<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Oznacza to po prostu, \u017ce pr\u00f3bujesz przyj\u0105\u0107 \u201emaksimum\u201d zmiennej nale\u017c\u0105cej do <strong>wsp\u00f3\u0142czynnika<\/strong> klasy.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na przyk\u0142ad ten b\u0142\u0105d jest generowany, je\u015bli spr\u00f3bujemy przyj\u0105\u0107 maksimum z nast\u0119puj\u0105cego wektora:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create a vector of class <em>vector\n<\/em><\/span>factor_vector &lt;- as.factor(c(1, 7, 12, 14, 15))\n\n<span style=\"color: #008080;\">#attempt to find max value in the vector<\/span>\nmax(factor_vector)\n\n#Error in Summary.factor(1:5, na.rm = FALSE): \n# 'max' not meaningful for factors<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Z definicji warto\u015bci wektora czynnikowego nale\u017c\u0105 do klasy nominalnej, co oznacza, \u017ce nie ma znacz\u0105cej kolejno\u015bci warto\u015bci. Nie ma wi\u0119c \u017cadnej warto\u015bci \u201emaksymalnej\u201d do znalezienia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Prostym rozwi\u0105zaniem znalezienia maksimum wektora czynnikowego jest po prostu przekszta\u0142cenie go na wektor znakowy, a nast\u0119pnie na wektor liczbowy:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert factor vector to numeric vector and find the max value<\/span>\nnew_vector &lt;- as.numeric(as.character(factor_vector))\nmax(new_vector)\n\n#[1] 15<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Je\u015bli wektor czynnikowy zawiera po prostu nazwy czynnik\u00f3w, to nie jest mo\u017cliwe znalezienie warto\u015bci maksymalnej, nawet po przekszta\u0142ceniu wektora czynnikowego na wektor liczbowy, poniewa\u017c nie ma sensu znajdowa\u0107 \u201emaksimum\u201d listy czynnik\u00f3w. nazwy.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create factor vector with names of factors<\/span>\nfactor_vector &lt;- as.factor(c(\"first\", \"second\", \"third\"))\n\n<span style=\"color: #008080;\">#attempt to convert factor vector into numeric vector and find max value\n<\/span>new_vector &lt;- as.numeric(as.character(factor_vector))\nmax(new_vector)\n\n#Warning message:\n#NAs introduced by coercion \n#[1] NA<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy zauwa\u017cy\u0107, \u017ce R mo\u017ce znale\u017a\u0107 wektory liczb maksymalnych, wektory dat i wektory znak\u00f3w bez napotykania problem\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>numeric_vector &lt;- c(1, 2, 12, 14)\nmax(numeric_vector)\n\n#[1] 14\n\ncharacter_vector &lt;- c(\"a\", \"b\", \"f\")\nmax(character_vector)\n\n#[1] \u201cf\u201d\n\ndate_vector &lt;- as.Date(c(\"2019-01-01\", \"2019-03-05\", \"2019-03-04\"))\nmax(date_vector)\n\n#[1] \"2019-03-05\"\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Je\u015bli wi\u0119c pr\u00f3bujesz znale\u017a\u0107 maksymaln\u0105 warto\u015b\u0107 w wektorze, po prostu upewnij si\u0119, \u017ce wektor nie jest typu <strong>wsp\u00f3\u0142czynnik<\/strong> .<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>W pewnym momencie mo\u017cesz napotka\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w R: 'max&#8217; not meaningful for factors Oznacza to po prostu, \u017ce pr\u00f3bujesz przyj\u0105\u0107 \u201emaksimum\u201d zmiennej nale\u017c\u0105cej do wsp\u00f3\u0142czynnika klasy. Na przyk\u0142ad ten b\u0142\u0105d jest generowany, je\u015bli spr\u00f3bujemy przyj\u0105\u0107 maksimum z nast\u0119puj\u0105cego wektora: #create a vector of class vector factor_vector &lt;- as.factor(c(1, 7, 12, 14, 15)) #attempt to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-468","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>B\u0142\u0119dy interpretacji w R: \u201emax\u201d nie s\u0105 istotne dla czynnik\u00f3w - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak interpretowa\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w j\u0119zyku R: \u201emax\u201d nie ma sensu w przypadku czynnik\u00f3w.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u0142\u0119dy interpretacji w R: \u201emax\u201d nie s\u0105 istotne dla czynnik\u00f3w - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak interpretowa\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w j\u0119zyku R: \u201emax\u201d nie ma sensu w przypadku czynnik\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T19:32:18+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/\",\"url\":\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/\",\"name\":\"B\u0142\u0119dy interpretacji w R: \u201emax\u201d nie s\u0105 istotne dla czynnik\u00f3w - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-29T19:32:18+00:00\",\"dateModified\":\"2023-07-29T19:32:18+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak interpretowa\u0107 nast\u0119puj\u0105cy b\u0142\u0105d w j\u0119zyku R: \u201emax\u201d nie ma sensu w przypadku czynnik\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/r-max-nieistotne-dla-czynnikow\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Interpretacja b\u0142\u0119d\u00f3w w r: \u201emax\u201d nieistotna dla czynnik\u00f3w\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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