{"id":2557,"date":"2023-07-21T18:14:57","date_gmt":"2023-07-21T18:14:57","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-nicelik-normalizasyonu\/"},"modified":"2023-07-21T18:14:57","modified_gmt":"2023-07-21T18:14:57","slug":"rde-nicelik-normalizasyonu","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-nicelik-normalizasyonu\/","title":{"rendered":"R&#39;de niceliksel normalizasyon nas\u0131l ger\u00e7ekle\u015ftirilir?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130statistikte <a href=\"https:\/\/en.wikipedia.org\/wiki\/Quantile_normalization\" target=\"_blank\" rel=\"noopener\">kantil normalizasyon<\/a> , iki da\u011f\u0131l\u0131m\u0131 istatistiksel \u00f6zellikler a\u00e7\u0131s\u0131ndan \u00f6zde\u015f hale getiren bir y\u00f6ntemdir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnek, R&#8217;de niceliksel normalle\u015ftirmenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek: R&#8217;de nicelik normalizasyonu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">R&#8217;de iki s\u00fctun i\u00e7eren a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesini olu\u015fturdu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible\n<\/span>set. <span style=\"color: #3366ff;\">seeds<\/span> (0)\n\n<span style=\"color: #008080;\">#create data frame with two columns\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=rnorm(1000),\n                 y=rnorm(1000))\n\n<span style=\"color: #008080;\">#view first six rows of data frame\n<\/span>head(df)\n\n           xy\n1 1.2629543 -0.28685156\n2 -0.3262334 1.84110689\n3 1.3297993 -0.15676431\n4 1.2724293 -1.38980264\n5 0.4146414 -1.47310399\n6 -1.5399500 -0.06951893<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">X ve y&#8217;nin niceliklerini hesaplamak i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/rde-lapply-sapply-ve-tapply-uygulama-kilavuzu\/\" target=\"_blank\" rel=\"noopener\">sapply()<\/a> ve <a href=\"https:\/\/statorials.org\/tr\/rde-nicelik-fonksiyonu\/\" target=\"_blank\" rel=\"noopener\">quantile()<\/a> i\u015flevlerini kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate quantiles for x and y\n<\/span>sapply(df, function(x) quantile(x, probs = seq(0, 1, 1\/4)))\n\n               xy\n0% -3.23638573 -3.04536393\n25% -0.70845589 -0.73331907\n50% -0.05887078 -0.03181533\n75% 0.68763873 0.71755969\n100% 3.26641452 3.03903341\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">X ve y&#8217;nin y\u00fczdelikler i\u00e7in benzer de\u011ferlere sahip oldu\u011funu ancak ayn\u0131 de\u011ferlerin olmad\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, x i\u00e7in 25. y\u00fczdelik de\u011fer <strong>-0,708<\/strong> ve y i\u00e7in 25. y\u00fczdelik de\u011fer <strong>-0,7333&#8217;t\u00fcr<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kantil normalizasyonu ger\u00e7ekle\u015ftirmek i\u00e7in R&#8217;deki <a href=\"https:\/\/bioconductor.org\/packages\/release\/bioc\/html\/preprocessCore.html\" target=\"_blank\" rel=\"noopener\">preprocessCore<\/a> paketindeki <strong>normalize.quantiles()<\/strong> fonksiyonunu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (preprocessCore)\n\n<span style=\"color: #008080;\">#perform quantile normalization\n<\/span>df_norm &lt;- as. <span style=\"color: #3366ff;\">data<\/span> . <span style=\"color: #3366ff;\">frame<\/span> ( <span style=\"color: #3366ff;\">normalize.quantiles<\/span> ( <span style=\"color: #3366ff;\">as.matrix<\/span> (df)))\n\n<span style=\"color: #008080;\">#rename data frame columns\n<\/span>names(df_norm) &lt;- c(' <span style=\"color: #ff0000;\">x<\/span> ', ' <span style=\"color: #ff0000;\">y<\/span> ')\n\n<span style=\"color: #008080;\">#view first six row of new data frame\n<\/span>head(df_norm)\n\n           xy\n1 1.2632137 -0.28520228\n2 -0.3469744 1.82440519\n3 1.3465807 -0.16471644\n4 1.2692599 -1.34472394\n5 0.4161133 -1.43717759\n6 -1.6269731 -0.07906793\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Daha sonra x ve y&#8217;nin y\u00fczdelik dilimlerini tekrar hesaplamak i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate quantiles for x and y\n<\/span>sapply(df_norm, function(x) quantile(x, probs = seq(0, 1, 1\/4)))\n\n               xy\n0% -3.14087483 -3.14087483\n25% -0.72088748 -0.72088748\n50% -0.04534305 -0.04534305\n75% 0.70259921 0.70259921\n100% 3.15272396 3.15272396\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Y\u00fczdelik de\u011ferlerin art\u0131k x ve y i\u00e7in ayn\u0131 oldu\u011funu unutmay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\">X ve y&#8217;nin nicelik normalize edildi\u011fini s\u00f6yleyebiliriz. Ba\u015fka bir deyi\u015fle, iki da\u011f\u0131l\u0131m art\u0131k istatistiksel \u00f6zellikler a\u00e7\u0131s\u0131ndan ayn\u0131d\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimlerde R&#8217;de di\u011fer ortak g\u00f6revlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/rdeki-veriler-nasil-normallestirilir\/\" target=\"_blank\" rel=\"noopener\">R&#8217;deki veriler nas\u0131l normalle\u015ftirilir<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/r-cinsinden-yuzdelikler\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de y\u00fczdelikler nas\u0131l hesaplan\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-nicelik-fonksiyonu\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de quantile () i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130statistikte kantil normalizasyon , iki da\u011f\u0131l\u0131m\u0131 istatistiksel \u00f6zellikler a\u00e7\u0131s\u0131ndan \u00f6zde\u015f hale getiren bir y\u00f6ntemdir. A\u015fa\u011f\u0131daki \u00f6rnek, R&#8217;de niceliksel normalle\u015ftirmenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir. \u00d6rnek: R&#8217;de nicelik normalizasyonu R&#8217;de iki s\u00fctun i\u00e7eren a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesini olu\u015fturdu\u011fumuzu varsayal\u0131m: #make this example reproducible set. seeds (0) #create data frame with two columns df &lt;- data. frame (x=rnorm(1000), y=rnorm(1000)) #view [&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-2557","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 - Statoryal&#039;lerde niceliksel normalizasyon nas\u0131l ger\u00e7ekle\u015ftirilir?<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde R&#039;de nicelik normalizasyonunun nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi tam bir \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\/rde-nicelik-normalizasyonu\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - 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