{"id":2336,"date":"2023-07-22T17:28:18","date_gmt":"2023-07-22T17:28:18","guid":{"rendered":"https:\/\/statorials.org\/pt\/modo-digital\/"},"modified":"2023-07-22T17:28:18","modified_gmt":"2023-07-22T17:28:18","slug":"modo-digital","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/modo-digital\/","title":{"rendered":"Como calcular o modo numpy array (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para encontrar o modo de um array NumPy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#find unique values in array along with their counts<\/span>\nvals, counts = np. <span style=\"color: #3366ff;\">unique<\/span> (array_name, return_counts= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#find fashion\n<\/span>mode_value = np. <span style=\"color: #3366ff;\">argwhere<\/span> (counts == np. <span style=\"color: #3366ff;\">max<\/span> (counts))<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Lembre-se que a <strong>moda<\/strong> \u00e9 o valor que aparece com mais frequ\u00eancia em uma tabela.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que \u00e9 poss\u00edvel que um array tenha um ou mais modos.<\/span><\/p>\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: Calculando o modo de array NumPy com um \u00fanico modo<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como encontrar o modo de um array NumPy no qual existe apenas um modo:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#create NumPy array of values with only one mode\n<\/span>x = np. <span style=\"color: #3366ff;\">array<\/span> ([2, 2, 2, 3, 4, 4, 5, 5, 5, 5, 7])\n\n<span style=\"color: #008080;\">#find unique values in array along with their counts\n<\/span>vals, counts = np. <span style=\"color: #3366ff;\">unique<\/span> (x, return_counts= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#find fashion\n<\/span>mode_value = np. <span style=\"color: #3366ff;\">argwhere<\/span> (counts == np. <span style=\"color: #3366ff;\">max<\/span> (counts))\n\n<span style=\"color: #008080;\">#print list of modes\n<\/span><span style=\"color: #008000;\">print<\/span> (vals[mode_value] <span style=\"color: #3366ff;\">.flatten<\/span> (). <span style=\"color: #3366ff;\">tolist<\/span> ())\n\n[5]\n\n<span style=\"color: #008080;\">#find how often mode occurs\n<\/span><span style=\"color: #008000;\">print<\/span> (np. <span style=\"color: #3366ff;\">max<\/span> (counts))\n\n4<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Na sa\u00edda podemos ver que o modo \u00e9 <strong>5<\/strong> e ocorre <strong>4<\/strong> vezes no array NumPy.<\/span><\/p>\n<h3> <strong>Exemplo 2: Como calcular o array NumPy com v\u00e1rios modos<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como encontrar o modo de um array NumPy no qual existem v\u00e1rios modos:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#create NumPy array of values with multiple modes\n<\/span>x = np. <span style=\"color: #3366ff;\">array<\/span> ([2, 2, 2, 3, 4, 4, 4, 5, 5, 5, 7])\n\n<span style=\"color: #008080;\">#find unique values in array along with their counts\n<\/span>vals, counts = np. <span style=\"color: #3366ff;\">unique<\/span> (x, return_counts= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#find fashion\n<\/span>mode_value = np. <span style=\"color: #3366ff;\">argwhere<\/span> (counts == np. <span style=\"color: #3366ff;\">max<\/span> (counts))\n\n<span style=\"color: #008080;\">#print list of modes\n<\/span><span style=\"color: #008000;\">print<\/span> (vals[mode_value] <span style=\"color: #3366ff;\">.flatten<\/span> (). <span style=\"color: #3366ff;\">tolist<\/span> ())\n\n[2, 4, 5]\n\n<span style=\"color: #008080;\">#find how often mode occurs\n<\/span><span style=\"color: #008000;\">print<\/span> (np. <span style=\"color: #3366ff;\">max<\/span> (counts))\n\n3<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Na sa\u00edda, podemos ver que este array NumPy possui tr\u00eas modos: <strong>2<\/strong> , <strong>4<\/strong> e <strong>5<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos observar tamb\u00e9m que cada um desses valores aparece <strong>3<\/strong> vezes na tabela.<\/span><\/p>\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 no NumPy:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/cartao-digital\/\" target=\"_blank\" rel=\"noopener\">Como mapear uma fun\u00e7\u00e3o para um array NumPy<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/indice-de-valor-de-localizacao-numpy\/\" target=\"_blank\" rel=\"noopener\">Como encontrar o \u00edndice de valor na matriz NumPy<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/quantidade-numerica\/\" target=\"_blank\" rel=\"noopener\">Como calcular a magnitude de um vetor usando NumPy<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para encontrar o modo de um array NumPy: #find unique values in array along with their counts vals, counts = np. unique (array_name, return_counts= True ) #find fashion mode_value = np. argwhere (counts == np. max (counts)) Lembre-se que a moda \u00e9 o valor que aparece com mais [&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-2336","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 calcular o modo de um array NumPy (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica a maneira mais simples de calcular a moda de um array NumPy, 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\" 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