{"id":1444,"date":"2023-07-26T08:59:31","date_gmt":"2023-07-26T08:59:31","guid":{"rendered":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/"},"modified":"2023-07-26T08:59:31","modified_gmt":"2023-07-26T08:59:31","slug":"regressao-exponencial-excel","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/","title":{"rendered":"Regress\u00e3o exponencial no excel (passo a passo)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>A regress\u00e3o exponencial<\/strong> \u00e9 um tipo de modelo de regress\u00e3o que pode ser usado para modelar as seguintes situa\u00e7\u00f5es:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Crescimento exponencial:<\/strong> O crescimento come\u00e7a lentamente e depois acelera rapidamente e sem limites.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14288 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel1.png\" alt=\"\" width=\"396\" height=\"295\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. Decaimento exponencial:<\/strong> O decaimento come\u00e7a rapidamente e depois desacelera para chegar cada vez mais perto de zero.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14289 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel2.png\" alt=\"\" width=\"411\" height=\"311\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A equa\u00e7\u00e3o para um modelo de regress\u00e3o exponencial assume a seguinte forma:<\/span><\/p>\n<p> <span style=\"color: #000000;\">y = ab <sup>x<\/sup><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>y:<\/strong> a vari\u00e1vel de resposta<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x:<\/strong> a vari\u00e1vel preditiva<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>a, b:<\/strong> os coeficientes de regress\u00e3o que descrevem a rela\u00e7\u00e3o entre <em>x<\/em> e <em>y<\/em><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">O exemplo passo a passo a seguir mostra como realizar a regress\u00e3o exponencial no Excel.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 1: crie os dados<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Primeiro, vamos criar um conjunto de dados falso contendo 20 <a href=\"https:\/\/statorials.org\/pt\/observacao-em-estatisticas\/\" target=\"_blank\" rel=\"noopener\">observa\u00e7\u00f5es<\/a> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14290 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel3.png\" alt=\"\" width=\"348\" height=\"459\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 2: pegue o logaritmo natural da vari\u00e1vel de resposta<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, precisamos criar uma nova coluna que represente o logaritmo natural da vari\u00e1vel de resposta <em>y<\/em> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14291 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel4.png\" alt=\"\" width=\"370\" height=\"487\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 3: Ajustar o modelo de regress\u00e3o exponencial<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, ajustaremos o modelo de regress\u00e3o exponencial. Para fazer isso, clique na guia <strong>Dados<\/strong> na faixa superior e clique em <strong>An\u00e1lise de Dados<\/strong> no grupo <strong>An\u00e1lise<\/strong> .<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5292 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel3.png\" alt=\"\" width=\"472\" height=\"180\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><em>Se voc\u00ea n\u00e3o vir a An\u00e1lise de Dados como uma op\u00e7\u00e3o, primeiro dever\u00e1 <a href=\"https:\/\/statorials.org\/pt\/como-carregar-o-pacote-de-ferramentas-de-analise-no-excel\/\" target=\"_blank\" rel=\"noopener\">carregar o Analysis ToolPak<\/a> .<\/em><\/span><\/p>\n<p> <span style=\"color: #000000;\">Na janela que aparece, clique em <strong>Regress\u00e3o<\/strong> . Na nova janela que aparece, forne\u00e7a as seguintes informa\u00e7\u00f5es:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14292 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel5.png\" alt=\"\" width=\"533\" height=\"426\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Depois de clicar em <strong>OK<\/strong> , a sa\u00edda do modelo de regress\u00e3o exponencial ser\u00e1 exibida:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14293 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel6.png\" alt=\"Regress\u00e3o Exponencial no Excel\" width=\"463\" height=\"441\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O <a href=\"https:\/\/statorials.org\/pt\/um-guia-simples-para-compreender-o-teste-f-para-significancia-geral-na-regressao\/\" target=\"_blank\" rel=\"noopener\">valor F geral<\/a> do modelo \u00e9 204,006 e o valor p correspondente \u00e9 extremamente baixo, indicando que o modelo como um todo \u00e9 \u00fatil.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Usando os coeficientes da tabela de sa\u00edda, podemos ver que a equa\u00e7\u00e3o de regress\u00e3o exponencial ajustada \u00e9:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>ln(y) = 0,9817 + 0,2041(x)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Aplicando <em>e<\/em> a ambos os lados, podemos reescrever a equa\u00e7\u00e3o da seguinte forma:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>y = 2,6689 * <sup>1,2264x<\/sup><\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar esta equa\u00e7\u00e3o para prever a vari\u00e1vel de resposta, <em>y<\/em> , com base no valor da vari\u00e1vel preditora, <em>x<\/em> . Por exemplo, se <em>x<\/em> = 14, ent\u00e3o prever\u00edamos que <em>y<\/em> seria <strong>46,47<\/strong> :<\/span><\/p>\n<p> <span style=\"color: #000000;\">y = 2,6689 * 1,2264 <sup>14<\/sup> = 46,47<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>B\u00f4nus:<\/strong> sinta-se \u00e0 vontade para usar esta calculadora de regress\u00e3o exponencial online para calcular automaticamente a equa\u00e7\u00e3o de regress\u00e3o exponencial para um determinado preditor e vari\u00e1vel de resposta.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/regressao-linear-simples-excel\/\" target=\"_blank\" rel=\"noopener\">Como realizar regress\u00e3o linear simples no Excel<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/regressao-linear-multipla-excel\/\" target=\"_blank\" rel=\"noopener\">Como realizar regress\u00e3o linear m\u00faltipla no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/regressao-quadratica-excel\/\" target=\"_blank\" rel=\"noopener\">Como realizar regress\u00e3o quadr\u00e1tica no Excel<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/regressao-polinomial-excel\/\" target=\"_blank\" rel=\"noopener\">Como realizar regress\u00e3o polinomial no Excel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A regress\u00e3o exponencial \u00e9 um tipo de modelo de regress\u00e3o que pode ser usado para modelar as seguintes situa\u00e7\u00f5es: 1. Crescimento exponencial: O crescimento come\u00e7a lentamente e depois acelera rapidamente e sem limites. 2. Decaimento exponencial: O decaimento come\u00e7a rapidamente e depois desacelera para chegar cada vez mais perto de zero. A equa\u00e7\u00e3o para um [&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-1444","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>Regress\u00e3o exponencial no Excel (passo a passo)<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.\" \/>\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\/regressao-exponencial-excel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Regress\u00e3o exponencial no Excel (passo a passo)\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T08:59:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel1.png\" \/>\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\/regressao-exponencial-excel\/\",\"url\":\"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/\",\"name\":\"Regress\u00e3o exponencial no Excel (passo a passo)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-26T08:59:31+00:00\",\"dateModified\":\"2023-07-26T08:59:31+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Regress\u00e3o exponencial no excel (passo a passo)\"}]},{\"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Regress\u00e3o exponencial no Excel (passo a passo)","description":"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/","og_locale":"pt_PT","og_type":"article","og_title":"Regress\u00e3o exponencial no Excel (passo a passo)","og_description":"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.","og_url":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/","og_site_name":"Statorials","article_published_time":"2023-07-26T08:59:31+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/expregexcel1.png"}],"author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson","Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/","url":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/","name":"Regress\u00e3o exponencial no Excel (passo a passo)","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-26T08:59:31+00:00","dateModified":"2023-07-26T08:59:31+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este tutorial explica como realizar regress\u00e3o exponencial no Excel, com um exemplo passo a passo.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/regressao-exponencial-excel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Regress\u00e3o exponencial no excel (passo a passo)"}]},{"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/1444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=1444"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/1444\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=1444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=1444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}