{"id":1788,"date":"2023-07-24T23:38:42","date_gmt":"2023-07-24T23:38:42","guid":{"rendered":"https:\/\/statorials.org\/pl\/str_split-w-r\/"},"modified":"2023-07-24T23:38:42","modified_gmt":"2023-07-24T23:38:42","slug":"str_split-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/str_split-w-r\/","title":{"rendered":"Jak u\u017cywa\u0107 str_split w r (z przyk\u0142adami)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Funkcja <strong>str_split()<\/strong> pakietu <a href=\"https:\/\/stringr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">stringr<\/a> w R mo\u017ce zosta\u0107 u\u017cyta do podzielenia \u0142a\u0144cucha na wiele cz\u0119\u015bci. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>str_split(string, wz\u00f3r)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>ci\u0105g znak\u00f3w:<\/strong> wektor znakowy<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>wz\u00f3r:<\/strong> wz\u00f3r, wed\u0142ug kt\u00f3rego nale\u017cy podzieli\u0107<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Podobnie funkcja <strong>str_split_fixed()<\/strong> z pakietu stringr mo\u017ce zosta\u0107 u\u017cyta do podzielenia \u0142a\u0144cucha na ustalon\u0105 liczb\u0119 fragment\u00f3w. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>str_split_fixed(string, wz\u00f3r, n)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>ci\u0105g znak\u00f3w:<\/strong> wektor znakowy<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>wz\u00f3r:<\/strong> wz\u00f3r, wed\u0142ug kt\u00f3rego nale\u017cy podzieli\u0107<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>n:<\/strong> Liczba sztuk do zwrotu<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">W tym samouczku przedstawiono przyk\u0142ady u\u017cycia ka\u017cdej z tych funkcji w nast\u0119puj\u0105cej ramce danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('andy &amp; bob', 'carl &amp; doug', 'eric &amp; frank'),\n                 dots=c(14, 17, 19))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n          team points\n1 andy &amp; bob 14\n2 carl &amp; doug 17\n3 eric &amp; frank 19\n<\/strong><\/pre>\n<h3> <strong><span style=\"color: #000000;\">Przyk\u0142ad 1: Podziel ci\u0105g za pomoc\u0105 str_split()<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak podzieli\u0107 ci\u0105g znak\u00f3w w kolumnie \u201ezesp\u00f3\u0142\u201d za pomoc\u0105 funkcji <strong>str_split()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (stringr)<\/span>\n\n<\/span><span style=\"color: #008080;\">#split the string in the <em>team<\/em> column on \" &amp; \"\n<\/span>str_split(df$team, \" &amp; \")\n\n[[1]]\n[1] \u201candy\u201d \u201cbob\u201d \n\n[[2]]\n[1] \u201ccarl\u201d \u201cdoug\u201d\n\n[[3]]\n[1] \u201ceric\u201d \u201cfrank\u201d<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Rezultatem jest lista trzech element\u00f3w przedstawiaj\u0105cych nazwiska poszczeg\u00f3lnych graczy w ka\u017cdej dru\u017cynie.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">Przyk\u0142ad 2:<\/span><\/strong> <strong><span style=\"color: #000000;\">Podziel ci\u0105g za pomoc\u0105 str_split_fixed()<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak podzieli\u0107 ci\u0105g znak\u00f3w w kolumnie \u201ezesp\u00f3\u0142\u201d na dwie sta\u0142e cz\u0119\u015bci za pomoc\u0105 funkcji <strong>str_split_fixed()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (stringr)\n\n<span style=\"color: #008080;\">#split the string in the <em>team<\/em> column on \" &amp; \"<\/span>\nstr_split_fixed(df$team, \" &amp; \", 2)\n\n     [,1] [,2]   \n[1,] \u201candy\u201d \u201cbob\u201d  \n[2,] \"carl\" \"doug\" \n[3,] \"eric\" \"frank\"<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Rezultatem jest macierz z dwiema kolumnami i trzema wierszami.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Przydatnym zastosowaniem funkcji <strong>str_split_fixed()<\/strong> jest do\u0142\u0105czenie wynikowej macierzy na ko\u0144cu ramki danych. Na przyk\u0142ad:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (stringr)\n\n<span style=\"color: #008080;\">#split the string in the <em>team<\/em> column and append resulting matrix to data frame\n<\/span>df[, 3:4] &lt;- str_split_fixed(df$team, \" &amp; \", 2)\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n          team points V3 V4\n1 andy &amp; bob 14 andy bob\n2 carl &amp; doug 17 carl doug\n3 eric &amp; frank 19 eric frank<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kolumna oznaczona \u201eV3\u201d wy\u015bwietla nazw\u0119 gracza pierwszego zespo\u0142u, a kolumna oznaczona \u201eV4\u201d wy\u015bwietla nazw\u0119 gracza drugiego zespo\u0142u.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pl\/str_replace-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak u\u017cywa\u0107 str_replace w R<\/a><br \/> Jak wykona\u0107 cz\u0119\u015bciowe dopasowanie ci\u0105g\u00f3w w R<br \/> <a href=\"https:\/\/statorials.org\/pl\/konwertuj-ciagi-znakow-na-daty-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak przekonwertowa\u0107 ci\u0105gi znak\u00f3w na daty w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/znak-numeryczny-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak przekonwertowa\u0107 znak na numeryczny w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Funkcja str_split() pakietu stringr w R mo\u017ce zosta\u0107 u\u017cyta do podzielenia \u0142a\u0144cucha na wiele cz\u0119\u015bci. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119: str_split(string, wz\u00f3r) Z\u0142oto: ci\u0105g znak\u00f3w: wektor znakowy wz\u00f3r: wz\u00f3r, wed\u0142ug kt\u00f3rego nale\u017cy podzieli\u0107 Podobnie funkcja str_split_fixed() z pakietu stringr mo\u017ce zosta\u0107 u\u017cyta do podzielenia \u0142a\u0144cucha na ustalon\u0105 liczb\u0119 fragment\u00f3w. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119: str_split_fixed(string, [&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-1788","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 u\u017cywa\u0107 str_split w R (z przyk\u0142adami) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji str_split w R, z kilkoma przyk\u0142adami.\" \/>\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\/str_split-w-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak u\u017cywa\u0107 str_split w R (z przyk\u0142adami) \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji str_split w R, z kilkoma przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/str_split-w-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T23:38:42+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\/str_split-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/str_split-w-r\/\",\"name\":\"Jak u\u017cywa\u0107 str_split w R (z przyk\u0142adami) \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-24T23:38:42+00:00\",\"dateModified\":\"2023-07-24T23:38:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak u\u017cywa\u0107 funkcji str_split w R, z kilkoma przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/str_split-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/str_split-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/str_split-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak u\u017cywa\u0107 str_split 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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