{"id":467,"date":"2023-07-29T19:49:15","date_gmt":"2023-07-29T19:49:15","guid":{"rendered":"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/"},"modified":"2023-07-29T19:49:15","modified_gmt":"2023-07-29T19:49:15","slug":"rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/","title":{"rendered":"R'deki sample i\u015flevini kullanarak bir \u00f6rnek nas\u0131l olu\u015fturulur?"},"content":{"rendered":"

<\/p>\n

\n

R’deki sample()<\/strong> i\u015flevi, bir veri k\u00fcmesinden veya vekt\u00f6rden, de\u011fi\u015ftirilerek veya de\u011fi\u015ftirilmeden rastgele bir \u00f6\u011fe \u00f6rne\u011fi alman\u0131za olanak tan\u0131r.<\/span><\/p>\n

sample() fonksiyonunun temel s\u00f6zdizimi \u015f\u00f6yledir:<\/span><\/p>\n

\u00f6rnek (x, boyut, de\u011fi\u015ftir = FALSE<\/span> , prob = NULL<\/span> )<\/span><\/strong><\/p>\n

x<\/strong> : \u00f6rne\u011fin se\u00e7ilece\u011fi bir veri k\u00fcmesi veya vekt\u00f6r<\/span>
boyut<\/strong> : \u00f6rnek boyutu<\/span>
de\u011fi\u015ftir<\/strong> : numune de\u011fi\u015ftirmeyle birlikte mi yap\u0131lmal\u0131? (bu varsay\u0131lan olarak YANLI\u015e’t\u0131r)<\/span>
prob<\/strong> : \u00f6rneklenmi\u015f vekt\u00f6r\u00fcn elemanlar\u0131n\u0131 elde etmek i\u00e7in olas\u0131l\u0131k a\u011f\u0131rl\u0131klar\u0131n\u0131n bir vekt\u00f6r\u00fc<\/span><\/p>\n

sample()’\u0131n t\u00fcm belgelerini burada<\/a> bulabilirsiniz.<\/em><\/span><\/p>\n

A\u015fa\u011f\u0131daki \u00f6rnekler sample() kullan\u0131m\u0131na ili\u015fkin pratik \u00f6rnekleri g\u00f6stermektedir.<\/span><\/p>\n

Bir vekt\u00f6rden \u00f6rnek olu\u015fturma<\/span><\/strong><\/h2>\n

10 eleman i\u00e7eren<\/em> bir a vekt\u00f6r\u00fcm\u00fcz oldu\u011funu varsayal\u0131m:<\/span><\/p>\n

 #define vector a<\/em> with 10 elements in it<\/span>\na <- c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)<\/strong><\/pre>\n
 a vekt\u00f6r\u00fcn\u00fcn 5 eleman\u0131ndan olu\u015fan rastgele bir<\/em> \u00f6rne\u011fi de\u011fi\u015ftirmeden olu\u015fturmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabiliriz:<\/span><\/p>\n
 #generate random sample of 5 elements from vector a\n<\/em><\/span>sample(a, 5)\n\n#[1] 3 1 4 7 5<\/strong><\/pre>\n
 Rastgele bir \u00f6rnek olu\u015fturdu\u011fumuz her seferinde, muhtemelen her seferinde farkl\u0131 bir \u00f6\u011fe seti elde edece\u011fimizi unutmamak \u00f6nemlidir.<\/span><\/p>\n
 #generate another random sample of 5 elements from vector a\n<\/em><\/span>sample(a, 5)\n\n#[1] 1 8 7 4 2<\/strong><\/pre>\n
 Sonu\u00e7lar\u0131m\u0131z\u0131 tekrarlamak ve her seferinde ayn\u0131 \u00f6rnekle \u00e7al\u0131\u015fmak istiyorsak set.seed() komutunu<\/strong> kullanabiliriz.<\/span><\/p>\n
 #set.seed(some random number) to ensure that we get the same sample each time\nset.seed(122)\n\n#define vector a<\/em> with 10 elements in it<\/span>\na <- c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)<\/span>\n\n#generate random sample of 5 elements from vector a\n<\/em><\/span>sample(a, 5)\n\n#[1] 10 9 2 1 4\n\n#generate another random sample of 5 elements from vector a\n<\/em><\/span>sample(a, 5)\n\n#[1] 10 9 2 1 4\n<\/strong><\/pre>\n
 De\u011fi\u015ftirmeyi \u00f6rneklemek i\u00e7in de\u011fi\u015ftirme = DO\u011eRU ba\u011f\u0131ms\u0131z<\/strong> de\u011fi\u015fkenini de kullanabiliriz. Bu, vekt\u00f6r\u00fcn her bir \u00f6\u011fesinin \u00f6rnekte birden fazla g\u00f6r\u00fcnecek \u015fekilde se\u00e7ilebilece\u011fi anlam\u0131na gelir.<\/span><\/p>\n
 #generate random sample of 5 elements from vector a<\/em> using sampling with replacement\n<\/span>sample(a, 5, replace = TRUE)\n\n#10 10 2 1 6<\/strong><\/pre>\n
 Veri k\u00fcmesinden \u00f6rnek olu\u015fturma<\/span><\/strong><\/h2>\n
 sample() i\u015flevinin di\u011fer bir yayg\u0131n kullan\u0131m\u0131, bir veri k\u00fcmesinden rastgele bir sat\u0131r \u00f6rne\u011fi olu\u015fturmakt\u0131r. A\u015fa\u011f\u0131daki \u00f6rnekte, toplamda 150 sat\u0131ra sahip yerle\u015fik R veri k\u00fcmesi iris’ten<\/strong> 10 sat\u0131rl\u0131k rastgele bir \u00f6rnek olu\u015fturaca\u011f\u0131z.<\/span><\/p>\n
 #view first 6 rows of<\/span> iris dataset\n<\/span><\/strong>head(iris)<\/span>\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#1 5.1 3.5 1.4 0.2 setosa\n#2 4.9 3.0 1.4 0.2 setosa\n#3 4.7 3.2 1.3 0.2 setosa\n#4 4.6 3.1 1.5 0.2 setosa\n#5 5.0 3.6 1.4 0.2 setosa\n#6 5.4 3.9 1.7 0.4 setosa<\/span><\/strong>\n\n<\/span>#set<\/span> seed to ensure that this example is replicable<\/strong>\nset.seed(100)<\/span>\n<\/span>\n#choose a random vector of 10 elements from all 150 rows in iris dataset<\/span>\nsample_rows <- sample(1:nrow(iris), 10)\nsample_rows\n\n#[1] 47 39 82 9 69 71 117 53 78 25\n\n#choose the 10 rows of the iris dataset that match the row numbers above<\/span>\nsample <- iris[sample_rows, ]\nsample\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#47 5.1 3.8 1.6 0.2 setosa\n#39 4.4 3.0 1.3 0.2 setosa\n#82 5.5 2.4 3.7 1.0 versicolor\n#9 4.4 2.9 1.4 0.2 setosa\n#69 6.2 2.2 4.5 1.5 versicolor\n#71 5.9 3.2 4.8 1.8 versicolor\n#117 6.5 3.0 5.5 1.8 virginica\n#53 6.9 3.1 4.9 1.5 versicolor\n#78 6.7 3.0 5.0 1.7 versicolor\n#25 4.8 3.4 1.9 0.2 setosa<\/strong><\/pre>\n
 Yukar\u0131daki kodu kopyalay\u0131p kendi R konsolunuza yap\u0131\u015ft\u0131r\u0131rsan\u0131z, her seferinde ayn\u0131 \u00f6rne\u011fi ald\u0131\u011f\u0131m\u0131zdan emin olmak i\u00e7in set.seed(100)<\/strong> kulland\u0131\u011f\u0131m\u0131zdan tam olarak ayn\u0131 \u00f6rne\u011fi alman\u0131z gerekti\u011fini unutmay\u0131n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
R’deki sample() i\u015flevi, bir veri k\u00fcmesinden veya vekt\u00f6rden, de\u011fi\u015ftirilerek veya de\u011fi\u015ftirilmeden rastgele bir \u00f6\u011fe \u00f6rne\u011fi alman\u0131za olanak tan\u0131r. sample() fonksiyonunun temel s\u00f6zdizimi \u015f\u00f6yledir: \u00f6rnek (x, boyut, de\u011fi\u015ftir = FALSE , prob = NULL ) x : \u00f6rne\u011fin se\u00e7ilece\u011fi bir veri k\u00fcmesi veya vekt\u00f6r boyut : \u00f6rnek boyutu de\u011fi\u015ftir : numune de\u011fi\u015ftirmeyle birlikte mi yap\u0131lmal\u0131? (bu […]<\/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-467","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nR - Statoryals'ta Sample i\u015flevini kullanarak bir \u00f6rnek nas\u0131l olu\u015fturulur?<\/title>\n<meta name=\"description\" content=\"R'deki sample() i\u015flevini kullanarak nas\u0131l \u00f6rnek olu\u015fturulaca\u011f\u0131na dair basit bir e\u011fitim.\" \/>\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\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - Statoryals'ta Sample i\u015flevini kullanarak bir \u00f6rnek nas\u0131l olu\u015fturulur?\" \/>\n<meta property=\"og:description\" content=\"R'deki sample() i\u015flevini kullanarak nas\u0131l \u00f6rnek olu\u015fturulaca\u011f\u0131na dair basit bir e\u011fitim.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T19:49:15+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=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/\",\"url\":\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/\",\"name\":\"R - Statoryals'ta Sample i\u015flevini kullanarak bir \u00f6rnek nas\u0131l olu\u015fturulur?\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-29T19:49:15+00:00\",\"dateModified\":\"2023-07-29T19:49:15+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"R'deki sample() i\u015flevini kullanarak nas\u0131l \u00f6rnek olu\u015fturulaca\u011f\u0131na dair basit bir e\u011fitim.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/rdeki-ornek-islevi-kullanarak-nasil-ornek-olusturulacagi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R'deki sample i\u015flevini kullanarak bir \u00f6rnek nas\u0131l olu\u015fturulur?\"}]},{\"@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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