{"id":466,"date":"2023-07-29T19:58:01","date_gmt":"2023-07-29T19:58:01","guid":{"rendered":"https:\/\/statorials.org\/tr\/rdeki-veri-cercevesi-sutunlarinin-nasil-yeniden-adlandirilacagi\/"},"modified":"2023-07-29T19:58:01","modified_gmt":"2023-07-29T19:58:01","slug":"rdeki-veri-cercevesi-sutunlarinin-nasil-yeniden-adlandirilacagi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rdeki-veri-cercevesi-sutunlarinin-nasil-yeniden-adlandirilacagi\/","title":{"rendered":"R'de veri \u00e7er\u00e7evesi s\u00fctunlar\u0131 nas\u0131l yeniden adland\u0131r\u0131l\u0131r"},"content":{"rendered":"

<\/p>\n

\n

Bu e\u011fitimde, \u00e7e\u015fitli farkl\u0131 yakla\u015f\u0131mlar kullan\u0131larak R’deki veri \u00e7er\u00e7evesi s\u00fctunlar\u0131n\u0131n nas\u0131l yeniden adland\u0131r\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n

Bu \u00f6rneklerin her biri i\u00e7in, R’deki mtcars<\/strong> yerle\u015fik veri k\u00fcmesiyle \u00e7al\u0131\u015faca\u011f\u0131z.<\/span><\/p>\n

Base R’yi kullanarak ilk n<\/em> s\u00fctunu yeniden adland\u0131r\u0131n<\/span><\/strong><\/h2>\n

Mtcars’ta toplam 11 s\u00fctun ad\u0131 vard\u0131r<\/span> :<\/span><\/strong><\/p>\n

 #view column names of mtcars<\/span>\nnames(mtcars)\n\n# [1] \"mpg\" \"cyl\" \"disp\" \"hp\" \"drat\" \"wt\" \"qsec\" \"vs\" \"am\" \"gear\"\n# [11] \u201ccarb\u201d<\/strong><\/pre>\n
 \u0130lk 4 s\u00fctunu yeniden adland\u0131rmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n
 #rename first 4 columns<\/span>\nnames(mtcars) <- c(\"miles_gallon\", \"cylinders\", \"display\", \"horsepower\")\nnames(mtcars)\n\n#[1] \"miles_gallon\" \"cylinders\" \"display\" \"horsepower\" NA \n#[6] NA NA NA NA NA \n#[11] NA<\/strong><\/pre>\n
 R’nin ilk s\u00fctunun ad\u0131yla ba\u015flad\u0131\u011f\u0131n\u0131 ve sa\u011flad\u0131\u011f\u0131n\u0131z say\u0131da s\u00fctunu yeniden adland\u0131rd\u0131\u011f\u0131n\u0131 unutmay\u0131n. Bu \u00f6rnekte 11 s\u00fctun ad\u0131 oldu\u011fundan ve yaln\u0131zca 4 s\u00fctun ad\u0131 verdi\u011fimizden yaln\u0131zca ilk 4 s\u00fctun yeniden adland\u0131r\u0131ld\u0131. 11 s\u00fctunun tamam\u0131n\u0131 yeniden adland\u0131rmak i\u00e7in 11 s\u00fctun ad\u0131ndan olu\u015fan bir vekt\u00f6r sa\u011flamam\u0131z gerekir.<\/span><\/p>\n
 Yeniden isimlendirmek  <\/em> Base R’yi kullanarak ada g\u00f6re s\u00fctunlar<\/span><\/strong><\/h2>\n
 Mtcars<\/strong> veri k\u00fcmesindeki “wt” s\u00fctunu gibi belirli bir s\u00fctunu yeniden adland\u0131rmak istiyorsak bunu isme g\u00f6re yapabiliriz:<\/span><\/p>\n
 #rename just the \"wt\" column in mtcars<\/span>\nnames(mtcars)[names(mtcars)==\"wt\"] <- \"weight\"\nnames(mtcars)\n\n#[1] \"mpg\" \"cyl\" \"disp\" \"hp\" \"drat\" \"weight\" \"qsec\" \"vs\" \n#[9] \"am\" \"gear\" \"carb\"<\/strong><\/pre>\n
 Yaln\u0131zca “a\u011f\u0131rl\u0131k” s\u00fctununun “a\u011f\u0131rl\u0131k” olarak yeniden adland\u0131r\u0131ld\u0131\u011f\u0131na ve di\u011fer t\u00fcm s\u00fctunlar\u0131n orijinal adlar\u0131n\u0131 korudu\u011funa dikkat edin.<\/span><\/p>\n
 Yeniden isimlendirmek  <\/em> Base R’yi kullanarak dizine g\u00f6re s\u00fctunlar<\/span><\/strong><\/h2>\n
 Ayr\u0131ca mtcars<\/strong> veri k\u00fcmesindeki belirli bir s\u00fctunu dizine g\u00f6re yeniden adland\u0131rabiliriz. \u00d6rne\u011fin, ikinci “sil” s\u00fctununun ad\u0131n\u0131 dizine g\u00f6re nas\u0131l yeniden adland\u0131raca\u011f\u0131n\u0131z a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n
 #rename the second column name in mtcars<\/span>\nnames(mtcars)[2] <- \"cylinders\"\nnames(mtcars)\n\n# [1] \"mpg\" \"cylinders\" \"disp\" \"hp\" \"drat\" \"wt\" \n# [7] \"qsec\" \"vs\" \"am\" \"gear\" \"carb\"<\/strong><\/pre>\n
 Yaln\u0131zca “silindir” s\u00fctununun “silindirler” olarak yeniden adland\u0131r\u0131ld\u0131\u011f\u0131na ve di\u011fer t\u00fcm s\u00fctunlar\u0131n orijinal adlar\u0131n\u0131 korudu\u011funa dikkat edin.<\/span><\/p>\n
 Yeniden isimlendirmek  <\/em> Dplyr kullanan s\u00fctunlar<\/span><\/strong><\/h2>\n
 R’deki s\u00fctunlar\u0131 yeniden adland\u0131rman\u0131n ba\u015fka bir yolu da dplyr<\/strong> paketindeki rename()<\/strong> i\u015flevini kullanmakt\u0131r. Bunu yapmak i\u00e7in temel s\u00f6zdizimi \u015f\u00f6yledir:<\/span><\/p>\n
 data %>% rename(new_name1 = old_name1, new_name2 = old_name2, ....)<\/strong><\/pre>\n
 \u00d6rne\u011fin, mtcars<\/strong> veri k\u00fcmesindeki “mpg” ve “cyl” s\u00fctun adlar\u0131n\u0131 \u015fu \u015fekilde yeniden adland\u0131rabilirsiniz:<\/span><\/p>\n
 #install (if not already installed) and load dplyr package<\/span>\nif(!require(dplyr)){install.packages('dplyr')}\n\n#rename the \"mpg\" and \"cyl\" columns\n<\/span>new_mtcars <- mtcars %>% \n                rename(\n                  miles_g = mpg,\n                  cylinder = cyl\n                  )\n\n#view new column names\n<\/span>names(new_mtcars)\n\n# [1] \"miles_g\" \"cylinder\" \"disp\" \"hp\" \"drat\" \"wt\" \n# [7] \"qsec\" \"vs\" \"am\" \"gear\" \"carb\"<\/strong><\/pre>\n
 Bu yakla\u015f\u0131m\u0131 kullanarak ayn\u0131 anda istedi\u011finiz kadar s\u00fctunu yeniden adland\u0131rabilirsiniz.<\/span><\/p>\n
 Yeniden isimlendirmek  <\/em> data.table kullanan s\u00fctunlar<\/span><\/strong><\/h2>\n
 R’deki s\u00fctunlar\u0131 yeniden adland\u0131rman\u0131n ba\u015fka bir yolu da data.table<\/b> paketindeki setnames()<\/strong> i\u015flevini kullanmakt\u0131r. Bunu yapmak i\u00e7in temel s\u00f6zdizimi \u015f\u00f6yledir:<\/span><\/p>\n
 setnames(data, old=c(\"old_name1\",\"old_name2\"), new=c(\"new_name1\", \"new_name2\"))<\/strong><\/pre>\n
 \u00d6rne\u011fin, mtcars<\/strong> veri k\u00fcmesindeki “mpg” ve “cyl” s\u00fctun adlar\u0131n\u0131 \u015fu \u015fekilde yeniden adland\u0131rabilirsiniz:<\/span><\/p>\n
 #install (if not already installed) and load data.table package\nif(!require(data.table)){install.packages('data.table')}<\/span>\n<\/span>\n#rename \"mpg\" and \"cyl\" column names in mtcars\n<\/span>setnames(mtcars, old=c(\"mpg\",\"cyl\"), new=c(\"miles_g\", \"cylinder\"))\n\n#view new column names\n<\/span>names(mtcars)\n\n#[1] \"miles_g\" \"cylinder\" \"disp\" \"hp\" \"drat\" \"wt\" \n#[7] \"qsec\" \"vs\" \"am\" \"gear\" \"carb\"<\/strong><\/pre>\n
 Bu yakla\u015f\u0131m\u0131 kullanarak ayn\u0131 anda istedi\u011finiz kadar s\u00fctunu yeniden adland\u0131rabilirsiniz.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
Bu e\u011fitimde, \u00e7e\u015fitli farkl\u0131 yakla\u015f\u0131mlar kullan\u0131larak R’deki veri \u00e7er\u00e7evesi s\u00fctunlar\u0131n\u0131n nas\u0131l yeniden adland\u0131r\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r. Bu \u00f6rneklerin her biri i\u00e7in, R’deki mtcars yerle\u015fik veri k\u00fcmesiyle \u00e7al\u0131\u015faca\u011f\u0131z. Base R’yi kullanarak ilk n s\u00fctunu yeniden adland\u0131r\u0131n Mtcars’ta toplam 11 s\u00fctun ad\u0131 vard\u0131r : #view column names of mtcars names(mtcars) # [1] “mpg” “cyl” “disp” “hp” “drat” “wt” “qsec” […]<\/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-466","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nR - Statorials'de veri \u00e7er\u00e7evesi s\u00fctunlar\u0131 nas\u0131l yeniden adland\u0131r\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"Temel R, dplyr ve data.table gibi \u00e7e\u015fitli y\u00f6ntemleri kullanarak R'deki s\u00fctunlar\u0131 yeniden adland\u0131rmaya y\u00f6nelik basit bir k\u0131lavuz.\" \/>\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-veri-cercevesi-sutunlarinin-nasil-yeniden-adlandirilacagi\/\" \/>\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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