{"id":2097,"date":"2023-07-23T17:06:10","date_gmt":"2023-07-23T17:06:10","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/"},"modified":"2023-07-23T17:06:10","modified_gmt":"2023-07-23T17:06:10","slug":"pandy-upuszczaja-zduplikowane-kolumny","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/","title":{"rendered":"Jak usun\u0105\u0107 zduplikowane kolumny w pandach (z przyk\u0142adami)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Aby usun\u0105\u0107 zduplikowane kolumny w pandach, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">T.<\/span> <span style=\"color: #3366ff;\">drop_duplicates<\/span> (). <span style=\"color: #3366ff;\">T\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: usu\u0144 zduplikowane kolumny w Pandach<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 DataFrame pand:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create DataFrame with duplicate columns\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [25, 12, 15, 14, 19, 23, 25, 29],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [25, 12, 15, 14, 19, 23, 25, 29],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\ndf. <span style=\"color: #3366ff;\">columns<\/span> = ['team', 'points', 'points', 'rebounds']\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points points rebounds\n0 A 25 25 11\n1 A 12 12 8\n2 A 15 15 10\n3 A 14 14 6\n4 B 19 19 6\n5 B 23 23 5\n6 B 25 25 9\n7 B 29 29 12\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cego kodu, aby usun\u0105\u0107 zduplikowan\u0105 kolumn\u0119 \u201epunkty\u201d:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove duplicate columns\n<\/span>df. <span style=\"color: #3366ff;\">T.<\/span> <span style=\"color: #3366ff;\">drop_duplicates<\/span> (). <span style=\"color: #3366ff;\">T\n\n<\/span><span style=\"color: #000000;\">team points rebounds\n0 to 25 11\n1 to 12 8\n2 to 15 10\n3 to 14 6\n4 B 19 6\n5 B 23 5\n6 B 25 9\n7 B 29 12\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy zauwa\u017cy\u0107, \u017ce kolumna \u201epunkty\u201d zosta\u0142a usuni\u0119ta, podczas gdy wszystkie pozosta\u0142e kolumny pozosta\u0142y w ramce DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Warto r\u00f3wnie\u017c zauwa\u017cy\u0107, \u017ce ten kod usunie zduplikowane kolumny, nawet je\u015bli kolumny maj\u0105 r\u00f3\u017cne nazwy, ale zawieraj\u0105 identyczne warto\u015bci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy na przyk\u0142ad, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych pand:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create DataFrame with duplicate columns\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [25, 12, 15, 14, 19, 23, 25, 29],\n                   ' <span style=\"color: #ff0000;\">points2<\/span> ': [25, 12, 15, 14, 19, 23, 25, 29],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points points2 rebounds\n0 A 25 25 11\n1 A 12 12 8\n2 A 15 15 10\n3 A 14 14 6\n4 B 19 19 6\n5 B 23 23 5\n6 B 25 25 9\n7 B 29 29 12\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce kolumny \u201epunkty\u201d i \u201epunkty2\u201d zawieraj\u0105 identyczne warto\u015bci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cego kodu, aby usun\u0105\u0107 zduplikowan\u0105 kolumn\u0119 \u201epoints2\u201d:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove duplicate columns\n<\/span>df. <span style=\"color: #3366ff;\">T.<\/span> <span style=\"color: #3366ff;\">drop_duplicates<\/span> (). <span style=\"color: #3366ff;\">T\n\n<\/span><span style=\"color: #000000;\">team points rebounds\n0 to 25 11\n1 to 12 8\n2 to 15 10\n3 to 14 6\n4 B 19 6\n5 B 23 5\n6 B 25 9\n7 B 29 12<\/span><\/strong><\/pre>\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 funkcje w pandach:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-duplikaty\/\" target=\"_blank\" rel=\"noopener\">Jak usun\u0105\u0107 zduplikowane wiersze w ramce danych Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/upusc-pandy-kolumnowe\/\" target=\"_blank\" rel=\"noopener\">Jak usun\u0105\u0107 kolumny w Pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/pandy-wykluczaja-kolumne\/\" target=\"_blank\" rel=\"noopener\">Jak wykluczy\u0107 kolumny w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aby usun\u0105\u0107 zduplikowane kolumny w pandach, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: df. T. drop_duplicates (). T Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce. Przyk\u0142ad: usu\u0144 zduplikowane kolumny w Pandach Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 DataFrame pand: import pandas as pd #create DataFrame with duplicate columns df = pd. DataFrame ({&#8217; team &#8217;: [&#8217;A&#8217;, [&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-2097","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 usun\u0105\u0107 zduplikowane kolumny w Pandach (z przyk\u0142adami) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak usun\u0105\u0107 zduplikowane kolumny z ramki danych pand, \u0142\u0105cznie z przyk\u0142adami.\" \/>\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\/pandy-upuszczaja-zduplikowane-kolumny\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak usun\u0105\u0107 zduplikowane kolumny w Pandach (z przyk\u0142adami) \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak usun\u0105\u0107 zduplikowane kolumny z ramki danych pand, \u0142\u0105cznie z przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T17:06:10+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\/pandy-upuszczaja-zduplikowane-kolumny\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/\",\"name\":\"Jak usun\u0105\u0107 zduplikowane kolumny w Pandach (z przyk\u0142adami) \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-23T17:06:10+00:00\",\"dateModified\":\"2023-07-23T17:06:10+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak usun\u0105\u0107 zduplikowane kolumny z ramki danych pand, \u0142\u0105cznie z przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-upuszczaja-zduplikowane-kolumny\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak usun\u0105\u0107 zduplikowane kolumny w pandach (z przyk\u0142adami)\"}]},{\"@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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