{"id":1415,"date":"2023-07-26T11:45:00","date_gmt":"2023-07-26T11:45:00","guid":{"rendered":"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/"},"modified":"2023-07-26T11:45:00","modified_gmt":"2023-07-26T11:45:00","slug":"dusme-seviyeleri-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/","title":{"rendered":"R&#39;de droplevels fonksiyonu nas\u0131l kullan\u0131l\u0131r (\u00f6rneklerle)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Kullan\u0131lmayan fakt\u00f6r seviyelerini kald\u0131rmak i\u00e7in R&#8217;deki <strong>droplevels()<\/strong> i\u015flevi kullan\u0131labilir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu i\u015flev, bir vekt\u00f6r\u00fcn veya veri \u00e7er\u00e7evesinin alt k\u00fcmesi nedeniyle art\u0131k kullan\u0131lmayan fakt\u00f6r d\u00fczeylerini kald\u0131rmak istedi\u011fimizde \u00f6zellikle kullan\u0131\u015fl\u0131d\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>d\u00fc\u015fme seviyeleri (x)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">burada <em>x,<\/em> kullan\u0131lmayan fakt\u00f6r seviyelerinin kald\u0131r\u0131laca\u011f\u0131 bir nesnedir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde bu \u00f6zelli\u011fin pratikte nas\u0131l kullan\u0131laca\u011f\u0131na dair baz\u0131 \u00f6rnekler verilmektedir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: Bir vekt\u00f6rde kullan\u0131lmayan fakt\u00f6r seviyelerini kald\u0131r\u0131n<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Be\u015f fakt\u00f6r seviyesine sahip bir veri vekt\u00f6r\u00fc olu\u015fturdu\u011fumuzu varsayal\u0131m. Daha sonra, orijinal be\u015f fakt\u00f6r d\u00fczeyinden yaln\u0131zca \u00fc\u00e7\u00fcn\u00fc i\u00e7eren yeni bir veri vekt\u00f6r\u00fc tan\u0131mlad\u0131\u011f\u0131m\u0131z\u0131 varsayal\u0131m.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data with 5 factor levels\n<\/span>data &lt;- <span style=\"color: #3366ff;\">factor<\/span> (c(1, 2, 3, 4, 5))\n\n<span style=\"color: #008080;\">#define new data as original data minus 4th and 5th factor levels\n<\/span>new_data &lt;- data[-c(4, 5)]\n\n<span style=\"color: #008080;\">#view new data\n<\/span>new_data\n\n[1] 1 2 3\nLevels: 1 2 3 4 5\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Yeni veriler her ne kadar sadece \u00fc\u00e7 fakt\u00f6r i\u00e7erse de orijinal be\u015f fakt\u00f6r seviyesini hala i\u00e7erdi\u011fini g\u00f6rebiliyoruz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu kullan\u0131lmayan fakt\u00f6r seviyelerini kald\u0131rmak i\u00e7in <strong>droplevels()<\/strong> fonksiyonunu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop unused factor levels<\/span>\nnew_data &lt; <span style=\"color: #3366ff;\">-droplevels<\/span> (new_data)\n\n<span style=\"color: #008080;\">#view data\n<\/span>new_data\n\n[1] 1 2 3\nLevels: 1 2 3<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Yeni veriler art\u0131k yaln\u0131zca \u00fc\u00e7 d\u00fczeyde fakt\u00f6r i\u00e7eriyor.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Bir veri \u00e7er\u00e7evesinde kullan\u0131lmayan fakt\u00f6r d\u00fczeylerini kald\u0131r\u0131n<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De\u011fi\u015fkenlerden birinin be\u015f seviyeli bir fakt\u00f6r oldu\u011fu bir veri \u00e7er\u00e7evesi olu\u015fturdu\u011fumuzu varsayal\u0131m. Daha sonra, bu fakt\u00f6r d\u00fczeylerinden ikisini ortadan kald\u0131ran yeni bir veri \u00e7er\u00e7evesi tan\u0131mlad\u0131\u011f\u0131m\u0131z\u0131 varsayal\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (region= <span style=\"color: #3366ff;\">factor<\/span> (c('A', 'B', 'C', 'D', 'E')),\n                 sales = c(13, 16, 22, 27, 34))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  regional sales\n1 to 13\n2 B 16\n3 C 22\n4 D 27\n5 E 34\n\n<span style=\"color: #008080;\">#define new data frame\n<\/span>new_df &lt;- <span style=\"color: #3366ff;\">subset<\/span> (df, sales &lt; 25)\n\n<span style=\"color: #008080;\">#view new data frame\n<\/span>new_df\n\n  regional sales\n1 to 13\n2 B 16\n3 C 22\n\n<span style=\"color: #008080;\">#check levels of region variable\n<\/span><span style=\"color: #3366ff;\">levels<\/span> (new_df$region)\n\n[1] \u201cA\u201d \u201cB\u201d \u201cC\u201d \u201cD\u201d \u201cE\u201d\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Yeni veri taban\u0131 <em>b\u00f6lge<\/em> s\u00fctununda yaln\u0131zca \u00fc\u00e7 fakt\u00f6r i\u00e7ermesine ra\u011fmen hala orijinal be\u015f fakt\u00f6r seviyesini i\u00e7ermektedir. Bu verileri kullanarak grafikler olu\u015fturmaya \u00e7al\u0131\u015f\u0131rsak bu sorun yaratacakt\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kullan\u0131lmayan fakt\u00f6r d\u00fczeylerini <em>b\u00f6lge<\/em> de\u011fi\u015fkeninden kald\u0131rmak i\u00e7in <strong>droplevels()<\/strong> i\u015flevini kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop unused factor levels\n<\/span>new_df$region &lt;- <span style=\"color: #3366ff;\">droplevels<\/span> (new_df$region)\n\n<span style=\"color: #008080;\">#check levels of region variable\n<\/span><span style=\"color: #3366ff;\">levels<\/span> (new_df$region)\n\n[1] \u201cA\u201d \u201cB\u201d \u201cC\u201d\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Art\u0131k <em>b\u00f6lge<\/em> de\u011fi\u015fkeni yaln\u0131zca \u00fc\u00e7 d\u00fczeyde fakt\u00f6r i\u00e7eriyor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu sayfada daha fazla R \u00f6\u011freticisi bulabilirsiniz.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kullan\u0131lmayan fakt\u00f6r seviyelerini kald\u0131rmak i\u00e7in R&#8217;deki droplevels() i\u015flevi kullan\u0131labilir. Bu i\u015flev, bir vekt\u00f6r\u00fcn veya veri \u00e7er\u00e7evesinin alt k\u00fcmesi nedeniyle art\u0131k kullan\u0131lmayan fakt\u00f6r d\u00fczeylerini kald\u0131rmak istedi\u011fimizde \u00f6zellikle kullan\u0131\u015fl\u0131d\u0131r. Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r: d\u00fc\u015fme seviyeleri (x) burada x, kullan\u0131lmayan fakt\u00f6r seviyelerinin kald\u0131r\u0131laca\u011f\u0131 bir nesnedir. Bu e\u011fitimde bu \u00f6zelli\u011fin pratikte nas\u0131l kullan\u0131laca\u011f\u0131na dair baz\u0131 \u00f6rnekler verilmektedir. \u00d6rnek [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1415","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R&#039;de DropLevels Fonksiyonu Nas\u0131l Kullan\u0131l\u0131r (\u00d6rneklerle)<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde R&#039;de droplevels fonksiyonunun nas\u0131l kullan\u0131laca\u011f\u0131 birka\u00e7 \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\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\/tr\/dusme-seviyeleri-r\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R&#039;de DropLevels Fonksiyonu Nas\u0131l Kullan\u0131l\u0131r (\u00d6rneklerle)\" \/>\n<meta property=\"og:description\" content=\"Bu e\u011fitimde R&#039;de droplevels fonksiyonunun nas\u0131l kullan\u0131laca\u011f\u0131 birka\u00e7 \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T11:45:00+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/\",\"url\":\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/\",\"name\":\"R&#39;de DropLevels Fonksiyonu Nas\u0131l Kullan\u0131l\u0131r (\u00d6rneklerle)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-26T11:45:00+00:00\",\"dateModified\":\"2023-07-26T11:45:00+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Bu e\u011fitimde R&#39;de droplevels fonksiyonunun nas\u0131l kullan\u0131laca\u011f\u0131 birka\u00e7 \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/dusme-seviyeleri-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#39;de droplevels fonksiyonu nas\u0131l kullan\u0131l\u0131r (\u00f6rneklerle)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/tr\/#website\",\"url\":\"https:\/\/statorials.org\/tr\/\",\"name\":\"Statorials\",\"description\":\"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/tr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"tr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. 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