Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r:<\/span><\/p>\n Alt\u0131n:<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler, bu i\u015flevin, some_data.txt<\/strong> ad\u0131 verilen a\u015fa\u011f\u0131daki metin dosyas\u0131yla pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span> <\/p>\n Metin dosyas\u0131n\u0131n bilgisayar\u0131mdaki Belgeler<\/strong> klas\u00f6r\u00fcne kaydedildi\u011fini varsayal\u0131m.<\/span><\/p>\n Bu metin dosyas\u0131ndaki her sat\u0131r\u0131 okumak i\u00e7in a\u015fa\u011f\u0131daki readLines()<\/strong> i\u015flevini kullanabilirim:<\/span><\/p>\n Metin dosyas\u0131 6 sat\u0131r i\u00e7erdi\u011finden readLines()<\/strong> i\u015flevi 6 uzunlu\u011funda bir karakter vekt\u00f6r\u00fc \u00fcretir.<\/span><\/p>\n E\u011fer istersem bunun yerine metin dosyas\u0131n\u0131n sat\u0131rlar\u0131n\u0131 bir veri \u00e7er\u00e7evesine kaydedebilirim:<\/span><\/p>\n Sonu\u00e7, bir s\u00fctun ve alt\u0131 sat\u0131rdan olu\u015fan bir veri \u00e7er\u00e7evesidir.<\/span><\/p>\n Tekrar metin dosyas\u0131n\u0131n bilgisayar\u0131mdaki Belgelerim<\/strong> klas\u00f6r\u00fcne kaydedildi\u011fini varsayal\u0131m.<\/span><\/p>\n Bu metin dosyas\u0131n\u0131n yaln\u0131zca ilk n sat\u0131r\u0131n\u0131 okumak i\u00e7in a\u015fa\u011f\u0131daki readLines()<\/strong> i\u015flevini n<\/strong> arg\u00fcman\u0131yla kullanabilirim:<\/span><\/p>\n readLines()<\/strong> i\u015flevi 4 uzunlu\u011funda bir karakter vekt\u00f6r\u00fc \u00fcretir.<\/span><\/p>\n Bu metin dosyas\u0131ndaki belirli bir sat\u0131ra gitmek i\u00e7in k\u00f6\u015feli parantezleri de kullanabilirim.<\/span><\/p>\n \u00d6rne\u011fin karakter vekt\u00f6r\u00fcn\u00fcn yaln\u0131zca ikinci sat\u0131r\u0131na eri\u015fmek i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabilirim:<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde di\u011fer dosya t\u00fcrlerinin R’ye nas\u0131l aktar\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n R’de read.table nas\u0131l kullan\u0131l\u0131r?<\/a> R’deki readLines() i\u015flevi, bir ba\u011flant\u0131 nesnesindeki metin sat\u0131rlar\u0131n\u0131n tamam\u0131n\u0131 veya bir k\u0131sm\u0131n\u0131 okumak i\u00e7in kullan\u0131labilir. Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r: readLines(con, n=-1L) Alt\u0131n: dezavantaj: bir ba\u011flant\u0131 nesnesi veya bir karakter dizisi n: Okunacak maksimum sat\u0131r say\u0131s\u0131. Varsay\u0131lan t\u00fcm sat\u0131rlar\u0131 okumakt\u0131r. A\u015fa\u011f\u0131daki \u00f6rnekler, bu i\u015flevin, some_data.txt ad\u0131 verilen a\u015fa\u011f\u0131daki metin dosyas\u0131yla pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir: \u00d6rnek […]<\/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-2982","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n readLines(con, n=-1L)<\/strong><\/span><\/pre>\n\n
![\"R'de](\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignes-de-lecture1.jpg\")
<\/p>\n \u00d6rnek 1: Bir metin dosyas\u0131ndaki t\u00fcm sat\u0131rlar\u0131 okumak i\u00e7in readLines() i\u015flevini kullan\u0131n<\/span><\/strong><\/h3>\n
#read every line from some_data.txt\n<\/span>readLines(\"C:\/Users\/Bob\/Documents\/some_data.txt\")\n\n[1] \u201cThe first line of the file\u201d \u201cThe second line of the file\u201d\n[3] \u201cThe third line of the file\u201d \u201cThe fourth line of the file\u201d\n[5] \"The fifth line of the file\" \"The sixth line of the file\" \n<\/strong><\/span><\/pre>\n #read every line from some_data.txt\n<\/span>my_data <- readLines(\"C:\/Users\/Bob\/Documents\/some_data.txt\")\n\n#create data frame\n<\/span>df = data. frame<\/span> (values=my_data)\n\n#view data frame\n<\/span>df\n\n values\n1 The first line of the file\n2 The second line of the file\n3 The third line of the file\n4 The fourth line of the file\n5 The fifth line of the file\n6 The sixth line of the file<\/strong><\/span><\/pre>\n \u00d6rnek 2: Bir metin dosyas\u0131n\u0131n ilk N sat\u0131r\u0131n\u0131 okumak i\u00e7in readLines() i\u015flevini kullan\u0131n<\/span><\/strong><\/h3>\n
#read first 4 lines from some_data.txt\n<\/span>readLines(\"C:\/Users\/Bob\/Documents\/some_data.txt\", n= 4<\/span> )\n\n[1] \u201cThe first line of the file\u201d \u201cThe second line of the file\u201d\n[3] \u201cThe third line of the file\u201d \u201cThe fourth line of the file\u201d\n<\/strong><\/span><\/pre>\n #read first 4 lines from some_data.txt\n<\/span>my_data <- readLines(\"C:\/Users\/Bob\/Documents\/some_data.txt\", n= 4<\/span> )\n\n#display second line only\n<\/span>my_data[2]\n\n[1] \"The second line of the file\"\n<\/strong><\/span><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
CSV dosyalar\u0131 R’ye nas\u0131l aktar\u0131l\u0131r<\/a>
Excel dosyalar\u0131 R’ye nas\u0131l aktar\u0131l\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"