{"id":1890,"date":"2023-07-24T13:58:54","date_gmt":"2023-07-24T13:58:54","guid":{"rendered":"https:\/\/statorials.org\/pl\/pod-gr\/"},"modified":"2023-07-24T13:58:54","modified_gmt":"2023-07-24T13:58:54","slug":"pod-gr","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pod-gr\/","title":{"rendered":"Jak korzysta\u0107 z funkcji gsub() w r (z przyk\u0142adami)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Funkcji <strong>gsub()<\/strong> w R mo\u017cna u\u017cy\u0107 do zast\u0105pienia wszystkich wyst\u0105pie\u0144 okre\u015blonego tekstu w ci\u0105gu w R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>gsub(pattern, replacement, x)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>wz\u00f3r<\/strong> : wz\u00f3r, kt\u00f3rego nale\u017cy szuka\u0107<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>zast\u0105pienie<\/strong> : Zast\u0105pienie wzoru<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Ci\u0105g do wyszukania<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: Zamie\u0144 tekst w ci\u0105gu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 okre\u015blony fragment tekstu w ci\u0105gu znak\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define string\n<\/span>x &lt;- \u201c <span style=\"color: #ff0000;\">This is a fun sentence<\/span> \u201d\n\n<span style=\"color: #008080;\">#replace 'fun' with 'great'\n<\/span>x &lt;- gsub(' <span style=\"color: #ff0000;\">fun<\/span> ', ' <span style=\"color: #ff0000;\">great<\/span> ', x)\n\n<span style=\"color: #008080;\">#view updated string\n<\/span>x\n\n[1] \u201cThis is a great sentence\u201d\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: Zamie\u0144 pojedynczy ci\u0105g tekstowy w wektorze<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak zast\u0105pi\u0107 wielokrotne wyst\u0105pienia tekstu w wektorze:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#definevector\n<\/span>x &lt;- c(' <span style=\"color: #ff0000;\">Mavs<\/span> ', ' <span style=\"color: #ff0000;\">Mavs<\/span> ', ' <span style=\"color: #ff0000;\">Spurs<\/span> ', ' <span style=\"color: #ff0000;\">Nets<\/span> ', ' <span style=\"color: #ff0000;\">Spurs<\/span> ', ' <span style=\"color: #ff0000;\">Mavs<\/span> ')\n\n<span style=\"color: #008080;\">#replace 'Mavs' with 'M'\n<\/span>x &lt;- gsub(' <span style=\"color: #ff0000;\">Mavs<\/span> ', ' <span style=\"color: #ff0000;\">M<\/span> ', x)\n\n<span style=\"color: #008080;\">#view updated vector\n<\/span>x\n\n[1] \"M\" \"M\" \"Spurs\" \"Nets\" \"Spurs\" \"M\"\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 3: Zamie\u0144 wiele ci\u0105g\u00f3w tekstowych w wektorze<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak zamieni\u0107 wielokrotne wyst\u0105pienia dw\u00f3ch r\u00f3\u017cnych ci\u0105g\u00f3w tekstowych w wektorze:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#definevector\n<\/span>x &lt;- c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> ', ' <span style=\"color: #ff0000;\">D<\/span> ', ' <span style=\"color: #ff0000;\">D<\/span> ')\n\n<span style=\"color: #008080;\">#replace 'A' or 'B' or 'C' with 'X'\n<\/span>x &lt;- gsub(' <span style=\"color: #ff0000;\">A|B|C<\/span> ', ' <span style=\"color: #ff0000;\">X<\/span> ', x)\n\n<span style=\"color: #008080;\">#view updated string\n<\/span>x\n\n[1] \u201cX\u201d \u201cX\u201d \u201cX\u201d \u201cX\u201d \u201cD\u201d \u201cD\u201d\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 4: Zamie\u0144 tekst w ramce danych<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak zamieni\u0107 tekst w ramce danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> ', ' <span style=\"color: #ff0000;\">D<\/span> '),\n                 conf=c(' <span style=\"color: #ff0000;\">West<\/span> ', ' <span style=\"color: #ff0000;\">West<\/span> ', ' <span style=\"color: #ff0000;\">East<\/span> ', ' <span style=\"color: #ff0000;\">East<\/span> '),\n                 dots=c(99, 98, 92, 87),\n                 rebounds=c(18, 22, 26, 19))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team conf points rebounds\n1 A West 99 18\n2 B West 98 22\n3 C East 92 26\n4 D East 87 19\n\n<span style=\"color: #008080;\">#replace 'West' and 'East' with 'W' and 'E'\n<\/span>df$conf &lt;- gsub(' <span style=\"color: #ff0000;\">West<\/span> ', ' <span style=\"color: #ff0000;\">W<\/span> ', df$conf)\ndf$conf &lt;- gsub(' <span style=\"color: #ff0000;\">East<\/span> ', ' <span style=\"color: #ff0000;\">E<\/span> ', df$conf)\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n  team conf points rebounds\n1 AW 99 18\n2 BW 98 22\n3 CE 92 26\n4 OF 87 19<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> Jak korzysta\u0107 z funkcji diff w R<br \/> <a href=\"https:\/\/statorials.org\/pl\/funkcja-seq-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak u\u017cywa\u0107 funkcji seq w R<\/a><br \/> Jak korzysta\u0107 z funkcji diff w R<br \/> <a href=\"https:\/\/statorials.org\/pl\/funkcja-tabelaryczna-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z funkcji tabelarycznej w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Funkcji gsub() w R mo\u017cna u\u017cy\u0107 do zast\u0105pienia wszystkich wyst\u0105pie\u0144 okre\u015blonego tekstu w ci\u0105gu w R. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119: gsub(pattern, replacement, x) Z\u0142oto: wz\u00f3r : wz\u00f3r, kt\u00f3rego nale\u017cy szuka\u0107 zast\u0105pienie : Zast\u0105pienie wzoru x : Ci\u0105g do wyszukania Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119. Przyk\u0142ad 1: Zamie\u0144 tekst w [&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-1890","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>Jak korzysta\u0107 z funkcji gsub() w R (z przyk\u0142adami)<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji gsub() w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\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\/pod-gr\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak korzysta\u0107 z funkcji gsub() w R (z przyk\u0142adami)\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji gsub() w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pod-gr\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T13:58:54+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\/pod-gr\/\",\"url\":\"https:\/\/statorials.org\/pl\/pod-gr\/\",\"name\":\"Jak korzysta\u0107 z funkcji gsub() w R (z przyk\u0142adami)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-24T13:58:54+00:00\",\"dateModified\":\"2023-07-24T13:58:54+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji gsub() w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pod-gr\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pod-gr\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pod-gr\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak korzysta\u0107 z funkcji gsub() w r (z przyk\u0142adami)\"}]},{\"@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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