<\/p>\n
R’de kar\u015f\u0131la\u015fabilece\u011finiz bir hata:<\/span><\/p>\n Bu hata, bir karakter vekt\u00f6r\u00fc \u00fczerinde matematiksel bir i\u015flem (toplam, ortalama, say\u0131 vb. almak gibi) ger\u00e7ekle\u015ftirmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar.<\/span><\/p>\n Bu e\u011fitimde bu hatan\u0131n pratikte nas\u0131l \u00e7\u00f6z\u00fclece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n R’de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesini olu\u015fturdu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n \u015eimdi \u201ctak\u0131m\u201d s\u00fctununun toplam\u0131n\u0131 hesaplamaya \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z\u0131 varsayal\u0131m:<\/span><\/p>\n “Tak\u0131m” s\u00fctunu bir karakter s\u00fctunu oldu\u011fu i\u00e7in hata al\u0131yoruz.<\/span><\/p>\n Bunu class()<\/strong> i\u015flevini kullanarak do\u011frulayabiliriz:<\/span><\/p>\n Bu hatay\u0131 a\u015fman\u0131n yolu yaln\u0131zca say\u0131sal vekt\u00f6rlerle matematiksel i\u015flemleri kullanmakt\u0131r.<\/span><\/p>\n \u00d6rne\u011fin ‘puan’ s\u00fctunundaki de\u011ferlerin toplam\u0131n\u0131 hesaplamak i\u00e7in sum()<\/strong> fonksiyonunu kullanabiliriz:<\/span><\/p>\n Ayr\u0131ca tak\u0131ma g\u00f6re grupland\u0131r\u0131lm\u0131\u015f puan de\u011ferlerinin toplam\u0131n\u0131 da hesaplayabiliriz:<\/span><\/p>\n Tak\u0131mlara g\u00f6re grupland\u0131r\u0131lm\u0131\u015f say\u0131 ve<\/em> ribaund de\u011ferlerinin toplam\u0131n\u0131 bile hesaplayabiliriz:<\/span><\/p>\n Yaln\u0131zca say\u0131sal de\u011fi\u015fkenlerin toplam\u0131n\u0131 hesaplamaya \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z i\u00e7in bu i\u015flemlerin hi\u00e7birinde hata almad\u0131\u011f\u0131m\u0131z\u0131 unutmay\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’deki di\u011fer yayg\u0131n hatalar\u0131n nas\u0131l d\u00fczeltilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n “Ko\u015fulun uzunlu\u011fu > 1 ve yaln\u0131zca ilk \u00f6\u011fe kullan\u0131lacak” sorununu d\u00fczeltme<\/a> R’de kar\u015f\u0131la\u015fabilece\u011finiz bir hata: Error in sum(x): invalid ‘type’ (character) of argument Bu hata, bir karakter vekt\u00f6r\u00fc \u00fczerinde matematiksel bir i\u015flem (toplam, ortalama, say\u0131 vb. almak gibi) ger\u00e7ekle\u015ftirmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar. Bu e\u011fitimde bu hatan\u0131n pratikte nas\u0131l \u00e7\u00f6z\u00fclece\u011fi a\u00e7\u0131klanmaktad\u0131r. Hata nas\u0131l yeniden olu\u015fturulur? R’de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesini olu\u015fturdu\u011fumuzu varsayal\u0131m: #create data frame df <- data. […]<\/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-3025","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n Error in sum(x): invalid 'type' (character) of argument\n<\/strong><\/pre>\n
Hata nas\u0131l yeniden olu\u015fturulur?<\/strong><\/h3>\n
#create data frame\ndf <- data. frame<\/span> (team=c('A', 'A', 'A', 'B', 'B', 'B'),\n points=c(10, 12, 15, 20, 26, 25),\n rebounds=c(7, 8, 8, 14, 10, 12))<\/span>\n\n#view data frame\ndf\n\n team points rebounds\n1 to 10 7\n2 to 12 8\n3 to 15 8\n4 B 20 14\n5 B 26 10\n6 B 25 12<\/span><\/span><\/strong><\/span><\/pre>\n #attempt to calculate sum of values in 'team' column\nsum(df$team)\n<\/span>\nError in sum(df$team): invalid 'type' (character) of argument\n<\/span><\/span><\/strong><\/span><\/pre>\n #view class of 'team' column\nclass(df$team)\n\n[1] \u201ccharacter\u201d\n<\/span><\/span><\/strong><\/span><\/pre>\n Hata nas\u0131l d\u00fczeltilir?<\/strong><\/h3>\n
#calculate sum of values in 'points' column\nsum(df$points)\n\n[1] 108<\/span>\n<\/span><\/strong><\/span><\/pre>\n #calculate sum of points, grouped by team\naggregate(points ~ team, df, sum)\n\n team points\n1 to 37\n2 B 71\n<\/span><\/span><\/strong><\/span><\/pre>\n #calculate sum of points and sum of rebounds, grouped by team\naggregate(.~team, df, sum)\n\n team points rebounds\n1 A 37 23\n2 B 71 36<\/span>\n<\/span><\/strong><\/span><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
Nas\u0131l d\u00fczeltilir? \u0130kili operat\u00f6r\u00fcn say\u0131sal olmayan ba\u011f\u0131ms\u0131z de\u011fi\u015fkeni<\/a>
Nas\u0131l d\u00fczeltilir? dim(X) pozitif uzunlu\u011fa sahip olmal\u0131d\u0131r<\/a>
Nas\u0131l d\u00fczeltilir? Kullan\u0131lmayan ba\u011f\u0131ms\u0131z de\u011fi\u015fkenlerin se\u00e7ilmesinde hata<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"