{"id":2097,"date":"2023-07-23T17:12:17","date_gmt":"2023-07-23T17:12:17","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/"},"modified":"2023-07-23T17:12:17","modified_gmt":"2023-07-23T17:12:17","slug":"pandas-achatam-multiindex","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/","title":{"rendered":"Como nivelar multiindex em pandas (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para nivelar um MultiIndex em pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#flatten all levels of MultiIndex<\/span>\ndf. <span style=\"color: #3366ff;\">reset_index<\/span> (inplace= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#flatten specific levels of MultiIndex<\/span>\ndf. <span style=\"color: #3366ff;\">reset_index<\/span> (inplace= <span style=\"color: #008000;\">True<\/span> , level = [' <span style=\"color: #ff0000;\">level_name<\/span> '])\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Achatar todos os n\u00edveis de MultiIndex em Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte Pandas MultiIndex DataFrame:<\/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;\">#createDataFrame\n<\/span>index_names = pd. <span style=\"color: #3366ff;\">MultiIndex<\/span> . <span style=\"color: #3366ff;\">from_tuples<\/span> ([('Level1','Lev1', 'L1'),\n                                       ('Level2','Lev2', 'L2'),\n                                       ('Level3','Lev3', 'L3'),\n                                       ('Level4','Lev4', 'L4')],\n                                       names=['Full','Partial', 'ID'])\n\ndata = {'Store': ['A','B','C','D'],\n        'Sales': [12, 44, 29, 35]}\n\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> (data, columns = [' <span style=\"color: #ff0000;\">Store<\/span> ',' <span style=\"color: #ff0000;\">Sales<\/span> '], index=index_names)\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\t\t\tStore Sales\nFull Partial ID\t\t\nLevel1 Lev1 L1 A 17\nLevel2 Lev2 L2 B 22\nLevel3 Lev3 L3 C 29\nLevel4 Lev4 L4 D 35\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para nivelar cada n\u00edvel do MultiIndex em colunas do DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#flatten every level of MultiIndex<\/span> \ndf. <span style=\"color: #3366ff;\">reset_index<\/span> (inplace= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\ndf\n\n        Full Partial ID Store Sales\n0 Level1 Lev1 L1 A 12\n1 Level2 Lev2 L2 B 44\n2 Level3 Lev3 L3 C 29\n3 Level4 Lev4 L4 D 35\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que cada n\u00edvel do MultiIndex agora \u00e9 uma coluna no DataFrame.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: nivelar n\u00edveis espec\u00edficos de MultiIndex em Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Vamos supor que temos o mesmo DataFrame do pandas do exemplo anterior:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view DataFrame<\/span>\n<span style=\"color: #000000;\">df\n\n<\/span>Store Sales\nFull Partial ID\t\t\nLevel1 Lev1 L1 A 12\nLevel2 Lev2 L2 B 44\nLevel3 Lev3 L3 C 29\nLevel4 Lev4 L4 D 35\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como nivelar um \u00fanico n\u00edvel espec\u00edfico do MultiIndex:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#flatten 'ID' level only\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">reset_index<\/span> (inplace= <span style=\"color: #008000;\">True<\/span> ,level=[' <span style=\"color: #ff0000;\">ID<\/span> '])\n\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\ndf\n\n\t\tID Store Sales\nFull Partial\t\t\t\nLevel1 Lev1 L1 A 12\nLevel2 Lev2 L2 B 44\nLevel3 Lev3 L3 C 29\nLevel4 Lev4 L4 D 35<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">E o c\u00f3digo a seguir mostra como nivelar v\u00e1rios n\u00edveis espec\u00edficos do MultiIndex:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#flatten 'ID' level only\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">reset_index<\/span> (inplace= <span style=\"color: #008000;\">True<\/span> ,level=[' <span style=\"color: #ff0000;\">Partial<\/span> ',' <span style=\"color: #ff0000;\">ID<\/span> '])\n\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\ndf\n\n\tPartial ID Store Sales\nFull\t\t\t\t\nLevel1 Lev1 L1 A 12\nLevel2 Lev2 L2 B 44\nLevel3 Lev3 L3 C 29\nLevel4 Lev4 L4 D 35<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como executar outras fun\u00e7\u00f5es comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-converte-indice-em-coluna\/\" target=\"_blank\" rel=\"noopener\">Como converter \u00edndice em coluna no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/renomear-indice-do-pandas\/\" target=\"_blank\" rel=\"noopener\">Como renomear o \u00edndice no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-definem-coluna-como-indice\/\" target=\"_blank\" rel=\"noopener\">Como definir coluna como \u00edndice no Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para nivelar um MultiIndex em pandas: #flatten all levels of MultiIndex df. reset_index (inplace= True ) #flatten specific levels of MultiIndex df. reset_index (inplace= True , level = [&#8216; level_name &#8216;]) Os exemplos a seguir mostram como usar essa sintaxe na pr\u00e1tica. Exemplo 1: Achatar todos os n\u00edveis [&hellip;]<\/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-2097","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como nivelar MultiIndex em Pandas (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como nivelar um multiIndex em pandas, com v\u00e1rios exemplos.\" \/>\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\/pt\/pandas-achatam-multiindex\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como nivelar MultiIndex em Pandas (com exemplos) - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como nivelar um multiIndex em pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T17:12:17+00:00\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/\",\"name\":\"Como nivelar MultiIndex em Pandas (com exemplos) - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-23T17:12:17+00:00\",\"dateModified\":\"2023-07-23T17:12:17+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como nivelar um multiIndex em pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-achatam-multiindex\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como nivelar multiindex em pandas (com exemplos)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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