<\/p>\n
R’de birden \u00e7ok s\u00fctuna dayal\u0131 iki veri \u00e7er\u00e7evesini birle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n R’de a\u015fa\u011f\u0131daki iki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n Her iki veri \u00e7er\u00e7evesinin de playerID<\/strong> s\u00fctununu payla\u015ft\u0131\u011f\u0131n\u0131 ancak tak\u0131m s\u00fctunlar\u0131n\u0131n her veri \u00e7er\u00e7evesinde farkl\u0131 adlara sahip oldu\u011funu unutmay\u0131n:<\/span><\/p>\n Bu veri \u00e7er\u00e7evelerini playerID ve tak\u0131m s\u00fctunlar\u0131na g\u00f6re birle\u015ftirmek i\u00e7in by.x<\/strong> ve by.y<\/strong> arg\u00fcmanlar\u0131n\u0131 kullanmam\u0131z gerekiyor.<\/span><\/p>\n Bu birle\u015ftirmeyi ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n Birle\u015ftirilmi\u015f son veri \u00e7er\u00e7evesi, orijinal iki veri \u00e7er\u00e7evesine ait olan d\u00f6rt oyuncunun tamam\u0131na ait verileri i\u00e7erir.<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’de di\u011fer yayg\u0131n veri \u00e7er\u00e7evesi i\u015flevlerinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n R’de sola birle\u015ftirme nas\u0131l yap\u0131l\u0131r<\/a> R’de birden \u00e7ok s\u00fctuna dayal\u0131 iki veri \u00e7er\u00e7evesini birle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz: merge(df1, df2, by. x =c(‘ col1 ‘, ‘ col2 ‘), by. y =c(‘ col1 ‘, ‘ col2 ‘)) A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir. \u00d6rnek: Veri bloklar\u0131n\u0131 birden \u00e7ok s\u00fctunda birle\u015ftirme R’de a\u015fa\u011f\u0131daki iki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m: […]<\/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-2084","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n merge(df1, df2, by. x<\/span> =c(' col1<\/span> ', ' col2<\/span> '), by. y<\/span> =c(' col1<\/span> ', ' col2<\/span> '))\n<\/strong><\/pre>\n \u00d6rnek: Veri bloklar\u0131n\u0131 birden \u00e7ok s\u00fctunda birle\u015ftirme<\/strong><\/span><\/h3>\n
#define data frames<\/span>\ndf1 = data. frame<\/span> (playerID=c(1, 2, 3, 4, 5, 6),\n team=c('A', 'B', 'B', 'B', 'C', 'C'),\n dots=c(19, 22, 25, 29, 34, 39))\n\ndf2 = data. frame<\/span> (playerID=c(1, 2, 3, 4),\n tm=c('A', 'B', 'B', 'B'),\n rebounds=c(7, 8, 8, 14))\n\n#view first data frame<\/span>\ndf1\n\n playerID team points\n1 1 A 19\n2 2 B 22\n3 3 B 25\n4 4 B 29\n5 5 C 34\n6 6 C 39\n\n#view second data frame\n<\/span>df2 \n\n playerID tm rebounds\n1 1 To 7\n2 2 B 8\n3 3 B 8\n4 4 B 14<\/strong><\/span><\/pre>\n\n
#merge two data frames<\/span>\nmerged = merge(df1, df2, by. x<\/span> =c(' playerID<\/span> ', ' team<\/span> '), by. y<\/span> =c(' playerID<\/span> ', ' tm<\/span> '))\n\n#view merged data frame\n<\/span>merged\n\n playerID team points rebounds\n1 1 A 19 7\n2 2 B 22 8\n3 3 B 25 8\n4 4 B 29 14<\/span>\n<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
R’de D\u00dc\u015eEYARA nas\u0131l yap\u0131l\u0131r<\/a>
R’de veri \u00e7er\u00e7evesine sat\u0131rlar nas\u0131l eklenir<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"