{"id":967,"date":"2023-07-28T04:00:13","date_gmt":"2023-07-28T04:00:13","guid":{"rendered":"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/"},"modified":"2023-07-28T04:00:13","modified_gmt":"2023-07-28T04:00:13","slug":"tabakali-ornekleme-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/","title":{"rendered":"R'de tabakal\u0131 \u00f6rnekleme (\u00f6rneklerle)"},"content":{"rendered":"

<\/p>\n

\n

Ara\u015ft\u0131rmac\u0131lar genellikle bir pop\u00fclasyondan\u00f6rnekler<\/a> al\u0131r ve bu \u00f6rnekteki verileri, bir b\u00fct\u00fcn olarak pop\u00fclasyon hakk\u0131nda sonu\u00e7lar \u00e7\u0131karmak i\u00e7in kullan\u0131r.<\/span><\/p>\n

Yayg\u0131n olarak kullan\u0131lan bir \u00f6rnekleme y\u00f6ntemi, bir pop\u00fclasyonun gruplara ayr\u0131ld\u0131\u011f\u0131 ve her gruptan belirli say\u0131da \u00fcyenin \u00f6rne\u011fe dahil edilmek \u00fczere rastgele se\u00e7ildi\u011fi tabakal\u0131 rastgele \u00f6rneklemedir<\/strong> .<\/span><\/p>\n

Bu e\u011fitimde R’de katmanl\u0131 rastgele \u00f6rneklemenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n

\u00d6rnek: R’de Katmanl\u0131 \u00d6rnekleme<\/strong><\/span><\/h2>\n

Bir lise birinci, ikinci, \u00fc\u00e7\u00fcnc\u00fc ve son s\u0131n\u0131flardan olu\u015fan 400 \u00f6\u011frenciden olu\u015fur. Her s\u0131n\u0131ftan 10 \u00f6\u011frencinin \u00f6rnekleme dahil edilece\u011fi \u015fekilde 40 \u00f6\u011frenciden olu\u015fan tabakal\u0131 bir \u00f6rnek almak istedi\u011fimizi varsayal\u0131m.<\/span><\/p>\n

A\u015fa\u011f\u0131daki kod 400 \u00f6\u011frenciden olu\u015fan \u00f6rnek bir veri \u00e7er\u00e7evesinin nas\u0131l olu\u015fturulaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n

 #make this example reproducible<\/span>\nset.seed(1)\n\n#create data frame<\/span>\ndf <- data.frame(grade = rep(c('Freshman', 'Sophomore', 'Junior', 'Senior'), each<\/span> =100),\n                 gpa = rnorm(400, mean=85, sd=3))\n\n#view first six rows of data frame\n<\/span>head(df)\n\n     gpa grade\n1 Freshman 83.12064\n2 Freshman 85.55093\n3 Freshman 82.49311\n4 Freshman 89.78584\n5 Freshman 85.98852\n6 Freshman 82.53859<\/strong><\/pre>\n
 Sat\u0131r say\u0131mlar\u0131n\u0131 kullanarak katmanl\u0131 \u00f6rnekleme<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, her s\u0131n\u0131ftan 10 \u00f6\u011frenciden olu\u015fan toplam 40 \u00f6\u011frenciden olu\u015fan katmanl\u0131 rastgele bir \u00f6rneklem elde etmek i\u00e7in dplyr<\/a> paketindeki group_by()<\/strong> ve sample_n()<\/strong> i\u015flevlerinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#obtain laminated sample<\/span>\nstrat_sample <- df %>%\n                  group_by<\/span> (grade) %>%\n                  sample_n<\/span> (size=10)\n\n#find frequency of students from each grade\n<\/span>table(strat_sample$grade)\n\n Freshman Junior Senior Sophomore \n       10 10 10 10 \n<\/strong><\/pre>\n
 Sat\u0131r kesirlerini kullanarak katmanl\u0131 \u00f6rnekleme<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, her s\u0131n\u0131ftaki \u00f6\u011frencilerin %15’ini rastgele se\u00e7ti\u011fimiz katmanl\u0131 rastgele bir \u00f6rnek elde etmek i\u00e7in dplyr<\/a> paketindeki group_by()<\/strong> ve sample_frac()<\/strong> i\u015flevlerinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#obtain laminated sample<\/span>\nstrat_sample <- df %>%\n                  group_by<\/span> (grade) %>%\n                  sample_frac<\/span> (size=.15)\n\n#find frequency of students from each grade\n<\/span>table(strat_sample$grade)\n\n Freshman Junior Senior Sophomore \n       15 15 15 15<\/strong><\/pre>\n
 Ek kaynaklar<\/span><\/strong><\/span><\/h3>\n
\u00d6rnekleme Y\u00f6ntemi T\u00fcrleri<\/a>
 R’de k\u00fcme \u00f6rneklemesi<\/a>
 R’de sistematik \u00f6rnekleme<\/p>\n","protected":false},"excerpt":{"rendered":"
Ara\u015ft\u0131rmac\u0131lar genellikle bir pop\u00fclasyondan\u00f6rnekler al\u0131r ve bu \u00f6rnekteki verileri, bir b\u00fct\u00fcn olarak pop\u00fclasyon hakk\u0131nda sonu\u00e7lar \u00e7\u0131karmak i\u00e7in kullan\u0131r. Yayg\u0131n olarak kullan\u0131lan bir \u00f6rnekleme y\u00f6ntemi, bir pop\u00fclasyonun gruplara ayr\u0131ld\u0131\u011f\u0131 ve her gruptan belirli say\u0131da \u00fcyenin \u00f6rne\u011fe dahil edilmek \u00fczere rastgele se\u00e7ildi\u011fi tabakal\u0131 rastgele \u00f6rneklemedir . Bu e\u011fitimde R’de katmanl\u0131 rastgele \u00f6rneklemenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: R’de […]<\/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-967","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nR'de Tabakal\u0131 \u00d6rnekleme (\u00d6rneklerle)<\/title>\n<meta name=\"description\" content=\"R'de katmanl\u0131 \u00f6rneklemenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\" \/>\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\/tabakali-ornekleme-r\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R'de Tabakal\u0131 \u00d6rnekleme (\u00d6rneklerle)\" \/>\n<meta property=\"og:description\" content=\"R'de katmanl\u0131 \u00f6rneklemenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T04:00:13+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\/tabakali-ornekleme-r\/\",\"url\":\"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/\",\"name\":\"R'de Tabakal\u0131 \u00d6rnekleme (\u00d6rneklerle)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-28T04:00:13+00:00\",\"dateModified\":\"2023-07-28T04:00:13+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"R'de katmanl\u0131 \u00f6rneklemenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/tabakali-ornekleme-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R'de tabakal\u0131 \u00f6rnekleme (\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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