{"id":1754,"date":"2023-07-25T03:01:29","date_gmt":"2023-07-25T03:01:29","guid":{"rendered":"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/"},"modified":"2023-07-25T03:01:29","modified_gmt":"2023-07-25T03:01:29","slug":"antilogaritmo-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/","title":{"rendered":"Como encontrar o ant\u00edlogo de valores em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">O <strong>antilogaritmo<\/strong> de um n\u00famero \u00e9 o inverso do logaritmo de um n\u00famero.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Portanto, se voc\u00ea calcular o logaritmo de um n\u00famero, poder\u00e1 usar o antilogaritmo para recuperar o n\u00famero original.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, suponha que come\u00e7amos com o n\u00famero 7. Se pegarmos o log (base 10) de 7, obteremos 0,845:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><sub>log10<\/sub> (7) = <strong>0,845<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">O antilogaritmo (base 10) do valor 0,845 pode ser encontrado elevando 10 \u00e0 pot\u00eancia de 0,845:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><sup>10.845<\/sup> = <strong>7<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">O antilog nos permitiu encontrar o n\u00famero original.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A tabela a seguir mostra como calcular o antilogaritmo dos valores em R com base em sua base:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Base<\/strong><\/span><\/th>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>N\u00famero<\/strong><\/span><\/th>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Salvar<\/strong><\/span><\/th>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Ant\u00edlogo<\/strong><\/span><\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">n\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">X<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">registro(x,n)<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">x^n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">e<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">X<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">jornal(es)<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">exp(x)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">dez<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">X<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">log10(x)<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">10^x<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como calcular o antilogaritmo dos valores em R usando valores diferentes para a base.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: C\u00e1lculo do antilogaritmo de base 10<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que tomemos o log (base 10) do valor 7:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define original value<\/span>\noriginal = 7\n\n<span style=\"color: #008080;\">#take log (base 10) of original value<\/span>\nlog_original = log10(original)\n\n<span style=\"color: #008080;\">#display log (base 10) of original value<\/span>\nlog_original\n\n[1] 0.845098\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Para encontrar o valor inicial de 7, podemos pegar o antilogaritmo elevando 10 \u00e0 pot\u00eancia 0,845098:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#take the antilog\n<\/span>10^log_original\n\n[1] 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tomando o antilogaritmo conseguimos obter o valor inicial de 7.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: C\u00e1lculo do antilogaritmo de um logaritmo natural<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que tomemos o logaritmo natural do valor 7:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define original value<\/span>\noriginal = 7\n\n<span style=\"color: #008080;\">#take natural log of original value<\/span>\nlog_original = log(original)\n\n<span style=\"color: #008080;\">#display natural log of original value<\/span>\nlog_original\n\n[1] 1.94591\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Para encontrar o valor inicial de 7, podemos pegar o antilogaritmo elevando <em>e<\/em> \u00e0 pot\u00eancia 1,94591:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#take the antilog\n<\/span>exp(log_original)\n\n[1] 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tomando o antilogaritmo conseguimos obter o valor inicial de 7.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: C\u00e1lculo do antilogaritmo da base x<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que tomemos o log (base 5) do valor 7:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define original value<\/span>\noriginal = 7\n\n<span style=\"color: #008080;\">#take log (base 5) of original value<\/span>\nlog_original = log(original, 5)\n\n<span style=\"color: #008080;\">#display log (base 10) of original value<\/span>\nlog_original\n\n[1] 1.209062\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Para encontrar o valor inicial de 7, podemos pegar o antilogaritmo elevando 5 \u00e0 pot\u00eancia de 1,209062:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#take the antilog\n<\/span>5^log_original\n\n[1] 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tomando o antilogaritmo conseguimos obter o valor inicial de 7.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/transformar-dados-em-r\/\" target=\"_blank\" rel=\"noopener\">Como transformar dados em R (Log, raiz quadrada, raiz c\u00fabica)<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/transformacao-de-caixa-cox-para-r\/\" target=\"_blank\" rel=\"noopener\">Como realizar uma transforma\u00e7\u00e3o Box-Cox em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/log-grafico-de-log-em-r\/\" target=\"_blank\" rel=\"noopener\">Como criar um gr\u00e1fico log-log em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O antilogaritmo de um n\u00famero \u00e9 o inverso do logaritmo de um n\u00famero. Portanto, se voc\u00ea calcular o logaritmo de um n\u00famero, poder\u00e1 usar o antilogaritmo para recuperar o n\u00famero original. Por exemplo, suponha que come\u00e7amos com o n\u00famero 7. Se pegarmos o log (base 10) de 7, obteremos 0,845: log10 (7) = 0,845 O [&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-1754","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 encontrar o antilogaritmo dos valores em R - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular o antilog de valores em R, 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\/antilogaritmo-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como encontrar o antilogaritmo dos valores em R - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular o antilog de valores em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-25T03:01:29+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\/antilogaritmo-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/\",\"name\":\"Como encontrar o antilogaritmo dos valores em R - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-25T03:01:29+00:00\",\"dateModified\":\"2023-07-25T03:01:29+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular o antilog de valores em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/antilogaritmo-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como encontrar o ant\u00edlogo de valores em r\"}]},{\"@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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