{"id":3307,"date":"2023-07-18T04:22:57","date_gmt":"2023-07-18T04:22:57","guid":{"rendered":"https:\/\/statorials.org\/pt\/serie-pandas-filtrar-por-valor\/"},"modified":"2023-07-18T04:22:57","modified_gmt":"2023-07-18T04:22:57","slug":"serie-pandas-filtrar-por-valor","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/serie-pandas-filtrar-por-valor\/","title":{"rendered":"Pandas: como filtrar s\u00e9ries por valor"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para filtrar valores em uma s\u00e9rie de pandas:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: Filtrar valores com base em uma \u00fanica condi\u00e7\u00e3o<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values equal to 7<\/span>\nmy_series. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x:x == 7]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: Filtrar valores usando a condi\u00e7\u00e3o \u201cOR\u201d<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values less than 10 <em>or<\/em> greater than 20<\/span>\nmy_series. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x: (x &lt; 10) | (x &gt; 20)]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 3: Filtrar valores usando a condi\u00e7\u00e3o \u201cAND\u201d<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values greater than 10 <i>and<\/i> less than 20<\/span>\nmy_series. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x: (x &gt; 10) &amp; (x &lt; 20)] \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 4: Filtre os valores contidos na lista<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values that are equal to 4, 7, or 23<\/span>\nmy_series[my_series. <span style=\"color: #3366ff;\">isin<\/span> ([4, 7, 23])]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este tutorial explica como usar cada m\u00e9todo na pr\u00e1tica com a seguinte s\u00e9rie de pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#create pandas Series\n<\/span>data = pd. <span style=\"color: #3366ff;\">Series<\/span> ([4, 7, 7, 12, 19, 23, 25, 30])\n\n<span style=\"color: #008080;\">#view pandas Series\n<\/span><span style=\"color: #008000;\">print<\/span> (data)\n\n0 4\n1 7\n2 7\n3 12\n4 19\n5 23\n6 25\n7 30\ndtype: int64<\/strong><\/span><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Filtrar valores com base em uma condi\u00e7\u00e3o<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como filtrar a s\u00e9rie pandas para valores iguais a 7:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values equal to 7\n<\/span>data. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x:x == 7]\n\n1 7\n2 7\ndtype: int64<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos filtrar valores <strong>diferentes<\/strong> de 7:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values not equal to 7\n<\/span>data. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x:x != 7]\n\n0 4\n3 12\n4 19\n5 23\n6 25\n7 30\ndtype: int644<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Filtrar valores usando a condi\u00e7\u00e3o \u201cOR\u201d<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como filtrar a s\u00e9rie pandas para valores menores que 10 <strong>ou<\/strong> maiores que 20:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values less than 10 <em>or<\/em> greater than 20<\/span>\ndata. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x: (x &lt; 10) | (x &gt; 20)]\n\n0 4\n1 7\n2 7\n5 23\n6 25\n7 30\ndtype: int64<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 3: Filtrar valores usando a condi\u00e7\u00e3o \u201cAND\u201d<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como filtrar a s\u00e9rie pandas para valores maiores que 10 <strong>e<\/strong> menores que 20:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values greater than 10 <i>and<\/i> less than 20<\/span>\ndata. <span style=\"color: #3366ff;\">loc<\/span> [ <span style=\"color: #008000;\">lambda<\/span> x: (x &gt; 10) &amp; (x &lt; 20)]\n\n3 12\n4 19\ndtype: int64<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 4: filtre os valores contidos na lista<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como filtrar a s\u00e9rie pandas para valores contidos em uma lista:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#filter for values that are equal to 4, 7, or 23<\/span>\ndata[data. <span style=\"color: #3366ff;\">isin<\/span> ([4, 7, 23])]\n\n0 4\n1 7\n2 7\n5 23\ndtype: int64\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras opera\u00e7\u00f5es comuns de filtragem em Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/linhas-de-filtro-do-pandas-contendo-string\/\" target=\"_blank\" rel=\"noopener\">Como filtrar linhas do Pandas DataFrame que cont\u00eam uma string espec\u00edfica<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-filtram-multiplas-condicoes\/\" target=\"_blank\" rel=\"noopener\">Como filtrar um DataFrame do Pandas em m\u00faltiplas condi\u00e7\u00f5es<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-ausentes\/\" target=\"_blank\" rel=\"noopener\">Como usar o filtro \u201cNOT IN\u201d no Pandas DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para filtrar valores em uma s\u00e9rie de pandas: M\u00e9todo 1: Filtrar valores com base em uma \u00fanica condi\u00e7\u00e3o #filter for values equal to 7 my_series. loc [ lambda x:x == 7] M\u00e9todo 2: Filtrar valores usando a condi\u00e7\u00e3o \u201cOR\u201d #filter for values less than 10 or greater than 20 [&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-3307","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: Como filtrar s\u00e9ries por valor \u2013 Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como filtrar uma s\u00e9rie de pandas por valor, com v\u00e1rios exemplos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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