{"id":1967,"date":"2023-07-24T06:38:44","date_gmt":"2023-07-24T06:38:44","guid":{"rendered":"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/"},"modified":"2023-07-24T06:38:44","modified_gmt":"2023-07-24T06:38:44","slug":"utworz-pusta-liste-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/","title":{"rendered":"Jak utworzy\u0107 pust\u0105 list\u0119 w r (z przyk\u0142adami)"},"content":{"rendered":"

<\/p>\n

\n

Aby utworzy\u0107 pust\u0105 list\u0119 w R, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni:<\/span><\/p>\n

 #create empty list with length of zero\nempty_list <- list()<\/span>\n\n#create empty list of length 10<\/span>\nempty_list <- vector(mode=' list<\/span> ', length= 10<\/span> )\n<\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak wykorzysta\u0107 te funkcje w praktyce.<\/span><\/p>\n
 Przyk\u0142ad 1: Utw\u00f3rz pust\u0105 list\u0119 w R o d\u0142ugo\u015bci zero<\/strong><\/span><\/h3>\n
 Poni\u017cszy kod pokazuje, jak utworzy\u0107 pust\u0105 list\u0119 o zerowej d\u0142ugo\u015bci w R:<\/span><\/p>\n
 #create empty list\n<\/span>empty_list <- list()\n\n#verify that empty_list is of class 'list'<\/span>\nclass(empty_list)\n\n[1] \"list\"\n\n#view length of list<\/span>\nlength(empty_list)\n\n[1] 0\n<\/strong><\/pre>\n
 Wynikiem jest lista o d\u0142ugo\u015bci 0.<\/span><\/p>\n
 Przyk\u0142ad 2: Utw\u00f3rz pust\u0105 list\u0119 w R o okre\u015blonej d\u0142ugo\u015bci<\/strong><\/span><\/h3>\n
 Poni\u017cszy kod pokazuje, jak utworzy\u0107 pust\u0105 list\u0119 o d\u0142ugo\u015bci 8 w R:<\/span><\/p>\n
 #create empty list of length 8\n<\/span>empty_list <- vector(mode=' list<\/span> ', length= 8<\/span> )\n\n#verify that empty_list is of class 'list'<\/span>\nclass(empty_list)\n\n[1] \"list\"\n\n#view list<\/span>\nempty_list\n[[1]]\nNULL\n\n[[2]]\nNULL\n\n[[3]]\nNULL\n\n[[4]]\nNULL\n\n[[5]]\nNULL\n\n[[6]]\nNULL\n\n[[7]]\nNULL\n\n[[8]]\nNULL\n<\/strong><\/pre>\n
 Wynikiem jest lista o d\u0142ugo\u015bci 8, w kt\u00f3rej ka\u017cdy element na li\u015bcie ma warto\u015b\u0107 NULL.<\/span><\/p>\n
 Przyk\u0142ad 3: Dodaj warto\u015bci do pustej listy w R<\/strong><\/span><\/h3>\n
 Jednym z najcz\u0119stszych powod\u00f3w tworzenia pustej listy jest p\u00f3\u017aniejsze wype\u0142nienie jej warto\u015bciami za pomoc\u0105 p\u0119tli.<\/span><\/p>\n
 Poni\u017cszy kod pokazuje, jak utworzy\u0107 pust\u0105 list\u0119, a nast\u0119pnie wype\u0142ni\u0107 j\u0105 warto\u015bciami:<\/span><\/p>\n
 #create empty list of length 8\n<\/span>empty_list <- vector(mode=' list<\/span> ', length= 8<\/span> )\n\n#get length of list\nlen <- length(empty_list)\n\n#define values to append to list\n<\/span>new <- c(3, 5, 12, 14, 17, 18, 18, 20)\n\n#fill values in list\n<\/span>i = 1\nwhile<\/span> (i <= length(new)) {\n    empty_list[[i]] <- new[i]\n    i <- i + 1\n}\n\n#display updated list\n<\/span>empty_list\n\n<\/span><\/span>[[1]]\n[1] 3\n\n[[2]]\n[1] 5\n\n[[3]]\n[1] 12\n\n[[4]]\n[1] 14\n\n[[5]]\n[1] 17\n\n[[6]]\n[1] 18\n\n[[7]]\n[1] 18\n\n[[8]]\n[1] 20\n<\/strong><\/pre>\n
 Zauwa\u017c, \u017ce pusta lista jest teraz wype\u0142niona nowymi warto\u015bciami, kt\u00f3re okre\u015blili\u015bmy.<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h3>\n
 Jak utworzy\u0107 pust\u0105 ramk\u0119 danych w R<\/a>
 Jak doda\u0107 warto\u015bci do listy w R<\/a>
Jak przekonwertowa\u0107 list\u0119 na wektor w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Aby utworzy\u0107 pust\u0105 list\u0119 w R, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni: #create empty list with length of zero empty_list <- list() #create empty list of length 10 empty_list <- vector(mode=’ list ’, length= 10 ) Poni\u017csze przyk\u0142ady pokazuj\u0105, jak wykorzysta\u0107 te funkcje w praktyce. Przyk\u0142ad 1: Utw\u00f3rz pust\u0105 list\u0119 w R o d\u0142ugo\u015bci zero Poni\u017cszy kod […]<\/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-1967","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak utworzy\u0107 pust\u0105 list\u0119 w R (z przyk\u0142adami) \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak utworzy\u0107 pust\u0105 list\u0119 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\/utworz-pusta-liste-w-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak utworzy\u0107 pust\u0105 list\u0119 w R (z przyk\u0142adami) \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak utworzy\u0107 pust\u0105 list\u0119 w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T06:38:44+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\/utworz-pusta-liste-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/\",\"name\":\"Jak utworzy\u0107 pust\u0105 list\u0119 w R (z przyk\u0142adami) \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-24T06:38:44+00:00\",\"dateModified\":\"2023-07-24T06:38:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak utworzy\u0107 pust\u0105 list\u0119 w j\u0119zyku R, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/utworz-pusta-liste-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak utworzy\u0107 pust\u0105 list\u0119 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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