<\/p>\n
Vekt\u00f6rler ve veri \u00e7er\u00e7evelerindeki eksik de\u011ferleri kontrol etmek i\u00e7in R’deki is.na()<\/strong> i\u015flevini kullanabilirsiniz.<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, bir vekt\u00f6rdeki eksik de\u011ferleri kontrol etmek i\u00e7in is.na()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Sonu\u00e7tan \u015funlar\u0131 g\u00f6rebiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki eksik de\u011ferleri kontrol etmek i\u00e7in is.na() i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n \u00c7\u0131kt\u0131dan veri \u00e7er\u00e7evesinde toplam 4<\/strong> NA de\u011ferinin bulundu\u011funu g\u00f6rebiliriz.<\/span><\/p>\n Ayr\u0131ca \u015funu da g\u00f6rebiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’deki eksik de\u011ferleri i\u015flemek i\u00e7in kullan\u0131labilecek di\u011fer yararl\u0131 i\u015flevler a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n R’de na.omit nas\u0131l kullan\u0131l\u0131r<\/a> Vekt\u00f6rler ve veri \u00e7er\u00e7evelerindeki eksik de\u011ferleri kontrol etmek i\u00e7in R’deki is.na() i\u015flevini kullanabilirsiniz. #check if each individual value is NA is. na (x) #count total NA values sum( is.na (x)) #identify positions of NA values which(is. na (x)) A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek 1: is.na() i\u015flevini vekt\u00f6rlerle kullanma A\u015fa\u011f\u0131daki kod, bir […]<\/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-1863","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n #check if each individual value is NA\n<\/span>is. na<\/span> (x)\n\n#count total NA values\n<\/span>sum( is.na<\/span> (x))\n\n#identify positions of NA values\n<\/span>which(is. na<\/span> (x))\n<\/strong><\/pre>\n \u00d6rnek 1: is.na() i\u015flevini vekt\u00f6rlerle kullanma<\/strong><\/span><\/h3>\n
#define vector with some missing values\nx <- c(3, 5, 5, NA, 7, NA, 12, 16)<\/span>\n\n#check if each individual value is NA\n<\/span>is. na<\/span> (x)\n\n[1] FALSE FALSE FALSE TRUE FALSE TRUE FALSE FALSE\n\n#count total NA values\n<\/span>sum( is.na<\/span> (x))\n\n[1] 2\n\n#identify positions of NA values\n<\/span>which(is. na<\/span> (x))\n\n[1] 4 6\n<\/strong><\/pre>\n\n
\u00d6rnek 2:<\/strong><\/span> is.na() i\u015flevini veri \u00e7er\u00e7eveleriyle kullanma<\/strong><\/span><\/h3>\n
#create data frame\n<\/span>df <- data. frame<\/span> (var1=c(1, 3, 3, 4, 5),\n var2=c(7, NA, NA, 3, 2),\n var3=c(3, 3, 6, NA, 8),\n var4=c(NA, 1, 2, 8, 9))\n\n#view data frame\n<\/span>df\n\n var1 var2 var3 var4\n1 1 7 3 NA\n2 3 NA 3 1\n3 3 NA 6 2\n4 4 3 NA 8\n5 5 2 8 9\n\n#find total NA values in data frame\n<\/span>sum( is.na<\/span> (df))\n\n[1] 4\n\n#find total NA values by column\n<\/span>sapply(df, function<\/span> (x) sum(is. na<\/span> (x)))\n\nvar1 var2 var3 var4 \n 0 2 1 1<\/span><\/span><\/strong><\/pre>\n\n
Ek kaynaklar<\/strong><\/span><\/h3>\n
R’de na.rm nas\u0131l kullan\u0131l\u0131r?<\/a>
R’de is.null nas\u0131l kullan\u0131l\u0131r?<\/a>
Eksik de\u011ferlerin t\u00fcm\u00fc R’ye nas\u0131l aktar\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"