<\/p>\n
R’de en \u00fcstteki N de\u011ferlerini gruba g\u00f6re se\u00e7mek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden herhangi birini kullanabilirsiniz:<\/span><\/p>\n Y\u00f6ntem 1: Grup ba\u015f\u0131na ilk N de\u011feri se\u00e7in (ba\u011flar\u0131 g\u00f6z ard\u0131 edin)<\/strong><\/span><\/p>\n Y\u00f6ntem 2: ilk N de\u011ferini gruba g\u00f6re se\u00e7in (ba\u011flar\u0131 dahil edin)<\/strong><\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler, R’de her y\u00f6ntemin a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, tak\u0131ma g\u00f6re grupland\u0131r\u0131lm\u0131\u015f, en y\u00fcksek puan de\u011ferlerine sahip ilk 2 sat\u0131r\u0131n nas\u0131l se\u00e7ilece\u011fini g\u00f6sterir:<\/span><\/p>\n Sonu\u00e7, her tak\u0131m i\u00e7in en y\u00fcksek puan de\u011ferlerine sahip iki sat\u0131r\u0131 i\u00e7erir.<\/span><\/p>\n B Tak\u0131m\u0131 i\u00e7in asl\u0131nda en y\u00fcksek puan de\u011ferine ( 25<\/strong> ) e\u015fit olan \u00fc\u00e7 sat\u0131r oldu\u011funu, ancak \u00e7\u0131kt\u0131da yaln\u0131zca iki sat\u0131r\u0131n d\u00f6nd\u00fcr\u00fcld\u00fc\u011f\u00fcn\u00fc unutmay\u0131n.<\/span><\/p>\n Bu y\u00f6ntem yaln\u0131zca ba\u011flant\u0131lar\u0131 yok sayar.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, tak\u0131ma g\u00f6re grupland\u0131r\u0131lm\u0131\u015f, en y\u00fcksek puan de\u011ferlerine sahip ilk 2 sat\u0131r\u0131n nas\u0131l se\u00e7ilece\u011fini g\u00f6sterir:<\/span><\/p>\n Sonu\u00e7, her tak\u0131m i\u00e7in en y\u00fcksek puan de\u011ferlerine sahip iki sat\u0131r\u0131 i\u00e7erir.<\/span><\/p>\n B Tak\u0131m\u0131 i\u00e7in en y\u00fcksek puan de\u011feri ( 25<\/strong> ) i\u00e7in \u00fc\u00e7 \u00e7izginin e\u015fit oldu\u011funu, dolay\u0131s\u0131yla bu y\u00f6ntemin nihai sonuca bu \u00fc\u00e7 \u00e7izgiyi dahil etti\u011fini unutmay\u0131n.<\/span><\/p>\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 R’deki herhangi bir s\u00fctunda de\u011ferin g\u00f6r\u00fcnd\u00fc\u011f\u00fc sat\u0131rlar nas\u0131l se\u00e7ilir R’de en \u00fcstteki N de\u011ferlerini gruba g\u00f6re se\u00e7mek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden herhangi birini kullanabilirsiniz: Y\u00f6ntem 1: Grup ba\u015f\u0131na ilk N de\u011feri se\u00e7in (ba\u011flar\u0131 g\u00f6z ard\u0131 edin) library (dplyr) #select top 5 values by group df %>% arrange(desc(values_column)) %>% group_by(group_column) %>% slice(1:5) Y\u00f6ntem 2: ilk N de\u011ferini gruba g\u00f6re se\u00e7in (ba\u011flar\u0131 dahil edin) library (dplyr) #select […]<\/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-3287","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n library<\/span> (dplyr)\n\n#select top 5 values by group\n<\/span>df %>% \n arrange(desc(values_column)) %>% \n group_by(group_column) %>%\n slice(1:5)\n<\/strong><\/pre>\n library<\/span> (dplyr)\n\n#select top 5 values by group\n<\/span>df %>%\n group_by(group_column) %>%\n top_n(5, values_column)<\/strong><\/pre>\n #create data frame\ndf <- data. frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n points=c(19, 22, 15, NA, 14, 25, 25, 25),\n rebounds=c(10, 6, 3, 7, 11, 13, 9, 12))\n\n#view data frame\n<\/span>df\n\n team points rebounds\n1 A 19 10\n2 to 22 6\n3 to 15 3\n4 A NA 7\n5 B 14 11\n6 B 25 13\n7 B 25 9\n8 B 25 12<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 1: grup ba\u015f\u0131na ilk N de\u011feri se\u00e7in (ba\u011flar\u0131 g\u00f6z ard\u0131 edin)<\/strong><\/span><\/h2>\n
library<\/span> (dplyr)\n\n#select top 2 rows with highest points values, grouped by team<\/span> \ndf %>% \n arrange(desc(points)) %>% \n group_by(team) %>%\n slice(1:2)\n\n# A tibble: 4 x 3\n# Groups: team [2]\n team points rebounds\n \n1 to 22 6\n2 A 19 10\n3 B 25 13\n4 B 25 9<\/strong><\/pre>\n \u00d6rnek 2: grup ba\u015f\u0131na ilk N de\u011feri se\u00e7in (ba\u011flar\u0131 dahil edin)<\/strong><\/span><\/h2>\n
library<\/span> (dplyr)\n\n#select top 2 rows with highest points values, grouped by team<\/span> \ndf %>%\n group_by(team) %>%\n top_n(2, dots)\n\n# A tibble: 5 x 3\n# Groups: team [2]\n team points rebounds\n \n1 A 19 10\n2 to 22 6\n3 B 25 13\n4 B 25 9\n5 B 25 12<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
R’de belirli s\u00fctunlar nas\u0131l se\u00e7ilir<\/a>
R’de dizine g\u00f6re s\u00fctunlar nas\u0131l se\u00e7ilir<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"