{"id":2928,"date":"2023-07-20T01:28:28","date_gmt":"2023-07-20T01:28:28","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalar-birden-fazla-veri-cercevesini-birlestiriyor\/"},"modified":"2023-07-20T01:28:28","modified_gmt":"2023-07-20T01:28:28","slug":"pandalar-birden-fazla-veri-cercevesini-birlestiriyor","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalar-birden-fazla-veri-cercevesini-birlestiriyor\/","title":{"rendered":"Pandalarda birden \u00e7ok dataframe nas\u0131l birle\u015ftirilir (\u00f6rnekle)"},"content":{"rendered":"

<\/p>\n

\n

Pandalarda birden fazla DataFrame’i ayn\u0131 anda birle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz:<\/span><\/span><\/p>\n

 import<\/span> pandas as<\/span> pd\nfrom<\/span> functools import<\/span> reduce\n\n#define list of DataFrames\n<\/span>dfs = [df1, df2, df3]\n\n#merge all DataFrames into one\n<\/span>final_df = reduce(lambda left,right: pd.merge<\/span> (left,right,on=[' column_name<\/span> '],\n                                            how=' outer<\/span> '), dfs)<\/strong><\/pre>\n
 A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n
 \u00d6rnek: Pandas’ta birden fazla DataFrame’i birle\u015ftirme<\/span><\/strong><\/h2>\n
 Farkl\u0131 tak\u0131mlardan basketbol oyuncular\u0131 hakk\u0131nda bilgi i\u00e7eren a\u015fa\u011f\u0131daki \u00fc\u00e7 panda DataFrame’e sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrames\n<\/span>df1 = pd. DataFrame<\/span> ({' team<\/span> ': ['A', 'B', 'C', 'D'],\n                    ' points<\/span> ': [18, 22, 19, 14]})\n\ndf2 = pd. DataFrame<\/span> ({' team<\/span> ': ['A', 'B', 'C'],\n                    ' assists<\/span> ': [4, 9, 14]})\n\ndf3 = pd. DataFrame<\/span> ({' team<\/span> ': ['C', 'D', 'E', 'F'],\n                    ' rebounds<\/span> ': [10, 17, 11, 10]})\n\n#view DataFrames\n<\/span>print<\/span> (df1)\n\n  team points\n0 to 18\n1 B 22\n2 C 19\n3 D 14\n\nprint<\/span> (df2)\n\n  team assists\n0 to 4\n1 B 9\n2 C 14\n\nprint<\/span> (df3)\n\n  team rebounds\n0 C 10\n1 D 17\n2 E 11\n3 F 10\n<\/strong><\/pre>\n
 \u00dc\u00e7 DataFrame’i tek bir DataFrame’de birle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabiliriz:<\/span><\/p>\n
 from<\/span> functools import<\/span> reduce\n\n#define list of DataFrames\n<\/span>dfs = [df1, df2, df3]\n\n#merge all DataFrames into one\n<\/span>final_df = reduce(lambda left,right: pd.merge<\/span> (left,right,on=[' team<\/span> '],\n                                            how=' outer<\/span> '), dfs)\n\n#view merged DataFrame\n<\/span>print<\/span> (final_df)\n\n  team points assists rebounds\n0 A 18.0 4.0 NaN\n1 B 22.0 9.0 NaN\n2 C 19.0 14.0 10.0\n3 D 14.0 NaN 17.0\n4 E NaN NaN 11.0\n5 F NaN NaN 10.0<\/strong><\/span><\/pre>\n
 Nihai sonu\u00e7, \u00fc\u00e7 DataFrame’in t\u00fcm\u00fcnden gelen bilgileri i\u00e7eren bir DataFrame’dir.<\/span><\/span><\/p>\n
 NaN<\/strong> de\u011ferlerinin son DataFrame’deki bo\u015f h\u00fccreleri doldurmak i\u00e7in kullan\u0131ld\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n
 Bo\u015f h\u00fccreleri doldurmak amac\u0131yla NaN<\/strong> d\u0131\u015f\u0131nda bir de\u011fer kullanmak i\u00e7in fillna()<\/strong> i\u015flevini kullanabilirsiniz:<\/span><\/p>\n
 from<\/span> functools import<\/span> reduce\n\n#define list of DataFrames\n<\/span>dfs = [df1, df2, df3]\n\n#merge all DataFrames into one\n<\/span>final_df = reduce(lambda left,right: pd.merge<\/span> (left,right,on=[' team<\/span> '],\n                                            how=' outer<\/span> '), dfs). fillna<\/span> (' none<\/span> ')\n\n#view merged DataFrame\n<\/span>print<\/span> (final_df)\n\n  team points assists rebounds\n0 A 18.0 4.0 none\n1 B 22.0 9.0 none\n2 C 19.0 14.0 10.0\n3 D 14.0 none 17.0\n4 E none none 11.0\n5 F none none 10.0<\/strong><\/span><\/pre>\n
 Bo\u015f h\u00fccrelerin her biri art\u0131k NaN<\/strong> yerine ” hi\u00e7biri<\/strong> ” ile dolduruldu.<\/span><\/p>\n
 Not<\/strong> : Pandalardaki birle\u015ftirme<\/strong> i\u015flevinin tam belgelerini burada<\/a> bulabilirsiniz.<\/span><\/p>\n
 Ek kaynaklar<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki e\u011fitimlerde pandalarda di\u011fer yayg\u0131n i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n
 Dizinde iki Pandas DataFrame nas\u0131l birle\u015ftirilir
 Pandas DataFrames’\u0131 birden \u00e7ok s\u00fctunda birle\u015ftirme<\/a>
 Birden fazla Pandas DataFrame’i nas\u0131l istifleyebilirim?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Pandalarda birden fazla DataFrame’i ayn\u0131 anda birle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz: import pandas as pd from functools import reduce #define list of DataFrames dfs = [df1, df2, df3] #merge all DataFrames into one final_df = reduce(lambda left,right: pd.merge (left,right,on=[‘ column_name ‘], how=’ outer ‘), dfs) A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir: \u00d6rnek: Pandas’ta […]<\/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-2928","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nPandalarda Birden \u00c7ok DataFrame Nas\u0131l Birle\u015ftirilir (\u00d6rnekle) - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, bir \u00f6rnek de dahil olmak \u00fczere pandalarda birden fazla DataFrame'in nas\u0131l birle\u015ftirilece\u011fi 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\/pandalar-birden-fazla-veri-cercevesini-birlestiriyor\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandalarda Birden \u00c7ok DataFrame Nas\u0131l Birle\u015ftirilir (\u00d6rnekle) - 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