{"id":2359,"date":"2023-07-22T15:03:04","date_gmt":"2023-07-22T15:03:04","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/"},"modified":"2023-07-22T15:03:04","modified_gmt":"2023-07-22T15:03:04","slug":"pandas-loc-vs-iloc","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/","title":{"rendered":"Pandas loc vs iloc: qual a diferen\u00e7a?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Quando se trata de selecionar linhas e colunas de um DataFrame do pandas, <strong>loc<\/strong> e <strong>iloc<\/strong> s\u00e3o duas fun\u00e7\u00f5es comumente usadas.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aqui est\u00e1 a diferen\u00e7a sutil entre as duas fun\u00e7\u00f5es:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>loc<\/strong> seleciona linhas e colunas com <strong>r\u00f3tulos<\/strong> espec\u00edficos<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>iloc<\/strong> seleciona linhas e colunas em <strong>posi\u00e7\u00f5es inteiras<\/strong> espec\u00edficas<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Como usar loc no Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte DataFrame do pandas:<\/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;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#createDataFrame\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> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]},\n                   index=['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'])\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points assists\nA A 5 11\nB A 7 8\nC A 7 10\nD A 9 6\nE B 12 6\nF B 9 5\nG B 9 9\nH B 4 12<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>loc<\/strong> para selecionar linhas espec\u00edficas do DataFrame com base em seus r\u00f3tulos de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select rows with index labels 'E' and 'F'\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">loc<\/span> [[' <span style=\"color: #ff0000;\">E<\/span> ',' <span style=\"color: #ff0000;\">F<\/span> ']]\n\n\tteam points assists\nE B 12 6\nF B 9 5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>loc<\/strong> para selecionar linhas e colunas espec\u00edficas do DataFrame com base em seus r\u00f3tulos:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select 'E' and 'F' rows and 'team' and 'assists' columns\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">loc<\/span> [[' <span style=\"color: #ff0000;\">E<\/span> ', ' <span style=\"color: #ff0000;\">F<\/span> '], [' <span style=\"color: #ff0000;\">team<\/span> ', ' <span style=\"color: #ff0000;\">assists<\/span> ']]\n\n\tteam assists\nE B 12\nF B 9\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>loc<\/strong> com o argumento <strong>:<\/strong> para selecionar intervalos de linhas e colunas com base em seus r\u00f3tulos:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select 'E' and 'F' rows and 'team' and 'assists' columns\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">loc<\/span> [' <span style=\"color: #ff0000;\">E<\/span> ':,:' <span style=\"color: #ff0000;\">assists<\/span> ']\n\n        team points assists\nE B 12 6\nF B 9 5\nG B 9 9\nH B 4 12<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Como usar o iloc no Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte DataFrame do pandas:<\/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;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#createDataFrame\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> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]},\n                   index=['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'])\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points assists\nA A 5 11\nB A 7 8\nC A 7 10\nD A 9 6\nE B 12 6\nF B 9 5\nG B 9 9\nH B 4 12<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>iloc<\/strong> para selecionar linhas espec\u00edficas do DataFrame com base em sua posi\u00e7\u00e3o inteira:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select rows in index positions 4 through 6 (not including 6)\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">iloc<\/span> [4:6]\n\n\tteam points assists\nE B 12 6\nF B 9 5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>iloc<\/strong> para selecionar linhas e colunas espec\u00edficas do DataFrame com base em suas posi\u00e7\u00f5es de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select rows in range 4 through 6 and columns in range 0 through 2\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">iloc<\/span> [4:6, 0:2]\n\n\tteam assists\nE B 12\nF B 9\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>loc<\/strong> com o argumento <strong>:<\/strong> para selecionar intervalos de linhas e colunas com base em seus r\u00f3tulos:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#select rows from 4 through end of rows and columns up to third column\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">iloc<\/span> [4: , :3]\n\n        team points assists\nE B 12 6\nF B 9 5\nG B 9 9\nH B 4 12<\/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 realizar outras opera\u00e7\u00f5es comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-localizam-multiplas-condicoes\/\" target=\"_blank\" rel=\"noopener\">Como selecionar linhas com base em m\u00faltiplas condi\u00e7\u00f5es usando Pandas Loc<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-selecionam-linhas-com-base-nos-valores-das-colunas\/\">Como selecionar linhas com base nos valores das colunas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-selecionam-linhas-por-indice\/\" target=\"_blank\" rel=\"noopener\">Como selecionar linhas por \u00edndice no Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quando se trata de selecionar linhas e colunas de um DataFrame do pandas, loc e iloc s\u00e3o duas fun\u00e7\u00f5es comumente usadas. Aqui est\u00e1 a diferen\u00e7a sutil entre as duas fun\u00e7\u00f5es: loc seleciona linhas e colunas com r\u00f3tulos espec\u00edficos iloc seleciona linhas e colunas em posi\u00e7\u00f5es inteiras espec\u00edficas Os exemplos a seguir mostram como usar cada [&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-2359","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>Pandas loc vs iloc: qual a diferen\u00e7a? - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica a diferen\u00e7a entre loc e iloc no 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-loc-vs-iloc\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandas loc vs iloc: qual a diferen\u00e7a? - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica a diferen\u00e7a entre loc e iloc no pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T15:03:04+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=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/\",\"name\":\"Pandas loc vs iloc: qual a diferen\u00e7a? - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-22T15:03:04+00:00\",\"dateModified\":\"2023-07-22T15:03:04+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica a diferen\u00e7a entre loc e iloc no pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-loc-vs-iloc\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandas loc vs iloc: qual a diferen\u00e7a?\"}]},{\"@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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