{"id":2441,"date":"2023-07-22T06:40:55","date_gmt":"2023-07-22T06:40:55","guid":{"rendered":"https:\/\/statorials.org\/tr\/r-veri-cercevesindeki-degerleri-kosullu-olarak-degistirin\/"},"modified":"2023-07-22T06:40:55","modified_gmt":"2023-07-22T06:40:55","slug":"r-veri-cercevesindeki-degerleri-kosullu-olarak-degistirin","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/r-veri-cercevesindeki-degerleri-kosullu-olarak-degistirin\/","title":{"rendered":"C: veri \u00e7er\u00e7evesindeki de\u011ferler ko\u015fullu olarak nas\u0131l de\u011fi\u015ftirilir?"},"content":{"rendered":"

<\/p>\n

\n

Bir veri \u00e7er\u00e7evesindeki de\u011ferleri ko\u015fullu olarak de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden birini kullanabilirsiniz:<\/span><\/span><\/p>\n

Y\u00f6ntem 1: Veri \u00e7er\u00e7evesinin tamam\u0131ndaki de\u011ferleri de\u011fi\u015ftirin<\/strong><\/span><\/p>\n

 #replace all values in data frame equal to 30 with 0<\/span>\ndf[df ==<\/span> 30<\/span> ] <- 0\n<\/strong><\/pre>\n
 Y\u00f6ntem 2: Belirli bir s\u00fctundaki de\u011ferleri de\u011fi\u015ftirin<\/strong><\/span><\/p>\n
 #replace values equal to 30 in 'col1' with 0<\/span>\ndf$col1[df$col1 ==<\/span> 30<\/span> ] <- 0\n<\/strong><\/pre>\n
 Y\u00f6ntem 3: Belirli bir s\u00fctundaki de\u011ferleri ba\u015fka bir s\u00fctuna g\u00f6re de\u011fi\u015ftirin<\/strong><\/span><\/p>\n
 #replace values in col2 with 0 based on rows in col1 equal to 30<\/span>\ndf$col2[df$col1 ==<\/span> 30<\/span> ] <- 0 \n<\/strong><\/pre>\n
 A\u015fa\u011f\u0131daki \u00f6rnekler, her y\u00f6ntemin pratikte a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n
 #create data frame\ndf <- data. frame<\/span> (team=c('A', 'A', 'B', 'B', 'B'),\n                 points=c(99, 90, 90, 88, 88),\n                 assists=c(33, 28, 31, 30, 34),\n                 rebounds=c(30, 30, 24, 24, 28))\n\n#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 A 99 33 30\n2 A 90 28 30\n3 B 90 31 24\n4 B 88 30 24\n5 B 88 34 28\n<\/span><\/span><\/strong><\/pre>\n
 Y\u00f6ntem 1: Veri \u00e7er\u00e7evesinin tamam\u0131ndaki de\u011ferleri de\u011fi\u015ftirin<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evesindeki 30’a e\u015fit t\u00fcm de\u011ferlerin 0 ile nas\u0131l de\u011fi\u015ftirilece\u011fini g\u00f6sterir:<\/span><\/p>\n
 #replace all values in data frame equal to 30 with 0<\/span>\ndf[df ==<\/span> 30<\/span> ] <- 0\n\n#view updated data frame<\/span>\ndf\n  team points assists rebounds\n1 A 99 33 0\n2 A 90 28 0\n3 B 90 31 24\n4 B 88 0 24\n5 B 88 34 28\n<\/strong><\/pre>\n
 Y\u00f6ntem 2: Belirli bir s\u00fctundaki de\u011ferleri de\u011fi\u015ftirin<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, “puan” s\u00fctunundaki 90’a e\u015fit t\u00fcm de\u011ferlerin 0 ile nas\u0131l de\u011fi\u015ftirilece\u011fini g\u00f6sterir:<\/span><\/p>\n
 #replace all values equal to 90 in 'points' column with 0\n<\/span>df$points[df$points ==<\/span> 90<\/span> ] <- 0\n\n#view updated data frame\n<\/span>df\n\n  team points assists rebounds\n1 A 99 33 30\n2 A 0 28 30\n3 B 0 31 24\n4 B 88 30 24\n5 B 88 34 28\n<\/strong><\/pre>\n
 Y\u00f6ntem 3: Belirli bir s\u00fctundaki de\u011ferleri ba\u015fka bir s\u00fctuna g\u00f6re de\u011fi\u015ftirin<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, “puan” s\u00fctunundaki de\u011ferlerin 0 ile nas\u0131l de\u011fi\u015ftirilece\u011fini g\u00f6sterir; burada “tak\u0131m” s\u00fctunundaki de\u011fer “B”ye e\u015fittir.<\/span><\/p>\n
 #replace all values equal to 90 in 'points' column with 0\n<\/span>df$points[df$team ==<\/span> ' B<\/span> '] <- 0\n\n#view updated data frame\n<\/span>df\n\n  team points assists rebounds\n1 A 99 33 30\n2 A 90 28 30\n3 B 0 31 24\n4 B 0 30 24\n5 B 0 34 28<\/strong><\/pre>\n
 Ek kaynaklar<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki e\u011fitimlerde R’de di\u011fer yayg\u0131n i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n
C: Birden \u00e7ok s\u00fctuna dayal\u0131 veri \u00e7er\u00e7eveleri nas\u0131l birle\u015ftirilir?<\/a>
 C: Di\u011fer s\u00fctunlara dayal\u0131 olarak veri \u00e7er\u00e7evesine s\u00fctun nas\u0131l eklenir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Bir veri \u00e7er\u00e7evesindeki de\u011ferleri ko\u015fullu olarak de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden birini kullanabilirsiniz: Y\u00f6ntem 1: Veri \u00e7er\u00e7evesinin tamam\u0131ndaki de\u011ferleri de\u011fi\u015ftirin #replace all values in data frame equal to 30 with 0 df[df == 30 ] <- 0 Y\u00f6ntem 2: Belirli bir s\u00fctundaki de\u011ferleri de\u011fi\u015ftirin #replace values equal to 30 in ‘col1’ with 0 df$col1[df$col1 == 30 […]<\/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-2441","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nA: Bir veri \u00e7er\u00e7evesindeki de\u011ferler ko\u015fullu olarak nas\u0131l de\u011fi\u015ftirilir - Statoryaller<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, R'deki bir veri \u00e7er\u00e7evesindeki de\u011ferlerin belirli ko\u015fullara g\u00f6re nas\u0131l de\u011fi\u015ftirilece\u011fi \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere 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\/r-veri-cercevesindeki-degerleri-kosullu-olarak-degistirin\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A: Bir veri \u00e7er\u00e7evesindeki de\u011ferler ko\u015fullu olarak nas\u0131l de\u011fi\u015ftirilir - 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