{"id":972,"date":"2023-07-28T03:22:54","date_gmt":"2023-07-28T03:22:54","guid":{"rendered":"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/"},"modified":"2023-07-28T03:22:54","modified_gmt":"2023-07-28T03:22:54","slug":"stosuj-ramki-danych-pand","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/","title":{"rendered":"Jak uk\u0142ada\u0107 wiele ramek danych pand"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Cz\u0119sto mo\u017cesz chcie\u0107 u\u0142o\u017cy\u0107 dwie lub wi\u0119cej ramek danych pand. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 funkcji pandas <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.concat.html\" target=\"_blank\" rel=\"noopener noreferrer\">concat()<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">W tym samouczku przedstawiono kilka przyk\u0142ad\u00f3w, jak to zrobi\u0107.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: U\u0142\u00f3\u017c dwie ramki danych Pandy<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak \u201eu\u0142o\u017cy\u0107\u201d dwie ramki DataFrame panda jedna na drugiej i utworzy\u0107 ramk\u0119 DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create two DataFrames<\/span>\ndf1 = pd.DataFrame({'player': ['A', 'B', 'C', 'D', 'E'],\n                    'points':[12, 5, 13, 17, 27]})\n\ndf2 = pd.DataFrame({'player': ['F', 'G', 'H', 'I', 'J'],\n                    'points':[24, 26, 27, 27, 12]})\n\n<span style=\"color: #008080;\">#\"stack\" the two DataFrames together<\/span>\ndf3 = pd. <span style=\"color: #3366ff;\">concat<\/span> ([df1,df2], ignore_index= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view resulting DataFrame<\/span>\ndf3\n\n\tplayer points\n0 to 12\n1 B 5\n2 C 13\n3 D 17\n4 E 27\n5 F 24\n6 G 26\n7:27 a.m.\n8 I 27\n9 D 12\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: U\u0142\u00f3\u017c trzy ramki danych Pandy<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podobnego kodu mo\u017cna u\u017cy\u0107 do u\u0142o\u017cenia trzech ramek DataFrame panda jedna na drugiej w celu utworzenia ramki DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create three DataFrames<\/span>\ndf1 = pd.DataFrame({'player': ['A', 'B', 'C', 'D', 'E'],\n                    'points':[12, 5, 13, 17, 27]})\n\ndf2 = pd.DataFrame({'player': ['F', 'G', 'H', 'I', 'J'],\n                    'points':[24, 26, 27, 27, 12]})\n\ndf3 = pd.DataFrame({'player': ['K', 'L', 'M', 'N', 'O'],\n                    'points':[9, 5, 5, 13, 17]})\n\n<span style=\"color: #008080;\">#\"stack\" the two DataFrames together<\/span>\ndf4 = pd. <span style=\"color: #3366ff;\">concat<\/span> ([df1,df2, df3], ignore_index= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view resulting DataFrame<\/span>\ndf4\n\n        player points\n0 to 12\n1 B 5\n2 C 13\n3 D 17\n4 E 27\n5 F 24\n6 G 26\n7:27 a.m.\n8 I 27\n9 D 12\n10K 9\n11 L 5\n12 M 5\n13 N 13\n14 O 17<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Znaczenie ignorowania_indeksu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Zauwa\u017c, \u017ce w poprzednich przyk\u0142adach u\u017cyli\u015bmy <strong>ignorowania_index=True<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">M\u00f3wi to pandom, aby zignorowa\u0142y numery indeks\u00f3w w ka\u017cdej ramce DataFrame i utworzy\u0142y dla nowej ramki DataFrame nowy indeks z zakresu od 0 do n-1.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rozwa\u017cmy na przyk\u0142ad, co si\u0119 stanie, je\u015bli nie u\u017cyjemy <strong>ignorowania_index=True<\/strong> podczas uk\u0142adania w stos nast\u0119puj\u0105cych dw\u00f3ch ramek danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create two DataFrames with indices<\/span>\ndf1 = pd.DataFrame({'player': ['A', 'B', 'C', 'D', 'E'],\n                    'points':[12, 5, 13, 17, 27]},\n                    index=[0, 1, 2, 3, 4])\n\ndf2 = pd.DataFrame({'player': ['F', 'G', 'H', 'I', 'J'],\n                    'points':[24, 26, 27, 27, 12]},\n                    index=[2, 4, 5, 6, 9])\n\n<span style=\"color: #008080;\">#stack the two DataFrames together<\/span>\ndf3 = pd. <span style=\"color: #3366ff;\">concat<\/span> ([df1,df2])\n\n<span style=\"color: #008080;\">#view resulting DataFrame<\/span>\ndf3\n\n        player points\n0 to 12\n1 B 5\n2 C 13\n3 D 17\n4 E 27\n2 F 24\n4G 26\n5:27 a.m.\n6 I 27\n9 D 12\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Powsta\u0142a DataFrame zachowa\u0142a swoje oryginalne warto\u015bci indeks\u00f3w z obu DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dlatego generalnie powiniene\u015b u\u017cywa\u0107 <strong>ignorowania_index=True<\/strong> podczas uk\u0142adania w stos dw\u00f3ch ramek danych, chyba \u017ce masz konkretny pow\u00f3d, aby zachowa\u0107 oryginalne warto\u015bci indeksu.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w Pandach:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/dodaj-pusta-kolumne-do-ramki-danych-pandy\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak doda\u0107 pust\u0105 kolumn\u0119 do ramki danych Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/wstaw-kolumne-ramki-danych-pand\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak wstawi\u0107 kolumn\u0119 do ramki danych Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/eksportuj-ramke-danych-pand-do-programu-excel\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak wyeksportowa\u0107 ramk\u0119 danych Pandas do programu Excel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cz\u0119sto mo\u017cesz chcie\u0107 u\u0142o\u017cy\u0107 dwie lub wi\u0119cej ramek danych pand. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 funkcji pandas concat() . W tym samouczku przedstawiono kilka przyk\u0142ad\u00f3w, jak to zrobi\u0107. Przyk\u0142ad 1: U\u0142\u00f3\u017c dwie ramki danych Pandy Poni\u017cszy kod pokazuje, jak \u201eu\u0142o\u017cy\u0107\u201d dwie ramki DataFrame panda jedna na drugiej i utworzy\u0107 ramk\u0119 DataFrame: import [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-972","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak uk\u0142ada\u0107 wiele ramek danych Pand \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak u\u0142o\u017cy\u0107 dwie lub wi\u0119cej ramek DataFrame pand, w tym kilka przyk\u0142ad\u00f3w.\" \/>\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\/pl\/stosuj-ramki-danych-pand\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak uk\u0142ada\u0107 wiele ramek danych Pand \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak u\u0142o\u017cy\u0107 dwie lub wi\u0119cej ramek DataFrame pand, w tym kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T03:22:54+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/\",\"url\":\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/\",\"name\":\"Jak uk\u0142ada\u0107 wiele ramek danych Pand \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-28T03:22:54+00:00\",\"dateModified\":\"2023-07-28T03:22:54+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak u\u0142o\u017cy\u0107 dwie lub wi\u0119cej ramek DataFrame pand, w tym kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/stosuj-ramki-danych-pand\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak uk\u0142ada\u0107 wiele ramek danych pand\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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