{"id":1105,"date":"2023-07-27T15:43:32","date_gmt":"2023-07-27T15:43:32","guid":{"rendered":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/"},"modified":"2023-07-27T15:43:32","modified_gmt":"2023-07-27T15:43:32","slug":"dados-diarios-agregados-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/","title":{"rendered":"Como agregar dados di\u00e1rios em dados mensais e anuais em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c0s vezes voc\u00ea pode querer agregar dados di\u00e1rios em dados semanais, mensais ou anuais em R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Este tutorial explica como fazer isso facilmente usando os pacotes <strong>lubridate<\/strong> e <strong>dplyr<\/strong> .<\/span><\/p>\n<h2> <strong>Exemplo: Agregar dados di\u00e1rios em R<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte quadro de dados em R que mostra as vendas di\u00e1rias de um item durante um per\u00edodo de 100 dias consecutivos:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible\n<\/span>set.seed(1)\n<span style=\"color: #008080;\">\n#create data frame<\/span>\ndf &lt;- data.frame(date = <span style=\"color: #3366ff;\">as.Date<\/span> (\" <span style=\"color: #008000;\">2020-12-01<\/span> \") + 0:99,\n                 sales = <span style=\"color: #3366ff;\">runif<\/span> (100, 20, 50))\n\n<span style=\"color: #008080;\">#view first six rows<\/span>\nhead(df)\n\n        dirty date\n1 2020-12-01 27.96526\n2 2020-12-02 31.16372\n3 2020-12-03 37.18560\n4 2020-12-04 47.24623\n5 2020-12-05 26.05046\n6 2020-12-06 46.95169<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Para agregar esses dados, podemos usar a fun\u00e7\u00e3o <a href=\"https:\/\/lubridate.tidyverse.org\/reference\/round_date.html\" target=\"_blank\" rel=\"noopener noreferrer\">floor_date()<\/a> do pacote <strong>lubridate<\/strong> que usa a seguinte sintaxe:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #3366ff;\">floor_date<\/span> (x, unit)<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x:<\/strong> um vetor de objetos de data.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>unidade:<\/strong> unidade de tempo para arredondar. As op\u00e7\u00f5es incluem segundos, minutos, horas, dias, semanas, meses, bimestralmente, trimestres, semestres e anos.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Os trechos de c\u00f3digo a seguir mostram como usar esta fun\u00e7\u00e3o com as fun\u00e7\u00f5es <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/group_by.html\" target=\"_blank\" rel=\"noopener noreferrer\">group_by()<\/a> e <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/summarise.html\" target=\"_blank\" rel=\"noopener noreferrer\">summary()<\/a> no pacote <strong>dplyr<\/strong> para encontrar vendas m\u00e9dias por semana, m\u00eas e ano:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9dia de vendas por semana<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (lubridate)<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (dplyr)<\/span>\n\n#round dates down to week<\/span>\ndf$week &lt;- <span style=\"color: #3366ff;\">floor_date<\/span> (df$date, \" <span style=\"color: #008000;\">week<\/span> \")\n\n<span style=\"color: #008000;\"><span style=\"color: #008080;\">#find average sales per week\n<span style=\"color: #000000;\">df %&gt;%\n  <span style=\"color: #3366ff;\">group_by<\/span> (week) %&gt;%\n  <span style=\"color: #3366ff;\">summarize<\/span> (mean = <span style=\"color: #993300;\">mean<\/span> (sales))<\/span><\/span>\n\n<span style=\"color: #000000;\"># A tibble: 15 x 2\n   week means\n        \n 1 2020-11-29 33.9\n 2 2020-12-06 35.3\n 3 2020-12-13 39.0\n 4 2020-12-20 34.4\n 5 2020-12-27 33.6\n 6 2021-01-03 35.9\n 7 2021-01-10 37.8\n 8 2021-01-17 36.8\n 9 2021-01-24 32.8\n10 2021-01-31 33.9\n11 2021-02-07 34.1\n12 2021-02-14 41.6\n13 2021-02-21 31.8\n14 2021-02-28 35.2\n15 2021-03-07 37.1<\/span><\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9dia de vendas por m\u00eas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\"><span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(lubridate)<\/span>\n<span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(dplyr)<\/span>\n\n#round dates down to week<\/span>\ndf$month &lt;- <span style=\"color: #3366ff;\">floor_date<\/span> (df$date, \" <span style=\"color: #008000;\">month<\/span> \")\n\n<span style=\"color: #008000;\"><span style=\"color: #008080;\">#find average sales by month\n<span style=\"color: #000000;\">df %&gt;%<\/span>\n  <span style=\"color: #3366ff;\">group_by<\/span> <span style=\"color: #000000;\">(month) %&gt;%<\/span>\n  <span style=\"color: #3366ff;\">summarize<\/span> <span style=\"color: #000000;\">(mean =<\/span> <span style=\"color: #993300;\">mean<\/span> <span style=\"color: #000000;\">(sales))<\/span><\/span>\n\n<span style=\"color: #000000;\"># A tibble: 4 x 2\n  month mean\n       \n1 2020-12-01 35.3\n2 2021-01-01 35.6\n3 2021-02-01 35.2\n4 2021-03-01 37.0\n<\/span><\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9dia de vendas por ano<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\"><span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(lubridate)<\/span>\n<span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(dplyr)<\/span>\n\n#round dates down to week<\/span>\ndf$year &lt;- <span style=\"color: #3366ff;\">floor_date<\/span> (df$date, \" <span style=\"color: #008000;\">year<\/span> \")\n\n<span style=\"color: #008000;\"><span style=\"color: #008080;\">#find average sales by month\n<span style=\"color: #000000;\">df %&gt;%<\/span>\n  <span style=\"color: #3366ff;\">group_by<\/span> <span style=\"color: #000000;\">(year) %&gt;%<\/span>\n  <span style=\"color: #3366ff;\">summarize<\/span> <span style=\"color: #000000;\">(mean =<\/span> <span style=\"color: #993300;\">mean<\/span> <span style=\"color: #000000;\">(sales))\n\n# A tibble: 2 x 2\n  year means\n       \n1 2020-01-01 35.3\n2 2021-01-01 35.7<\/span><\/span>\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que optamos por agregar pela m\u00e9dia, mas podemos usar qualquer estat\u00edstica resumida que quisermos, como mediana, moda, m\u00e1ximo, m\u00ednimo, etc.<\/span><\/p>\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 tarefas comuns em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/r-media-por-grupo\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como calcular a m\u00e9dia por grupo em R<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/soma-cumulativa-em-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como calcular somas cumulativas em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/tracar-series-temporais-em-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como tra\u00e7ar uma s\u00e9rie temporal em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c0s vezes voc\u00ea pode querer agregar dados di\u00e1rios em dados semanais, mensais ou anuais em R. Este tutorial explica como fazer isso facilmente usando os pacotes lubridate e dplyr . Exemplo: Agregar dados di\u00e1rios em R Suponha que temos o seguinte quadro de dados em R que mostra as vendas di\u00e1rias de um item durante [&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-1105","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 agregar dados di\u00e1rios em dados mensais e anuais em R<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com 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\/dados-diarios-agregados-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como agregar dados di\u00e1rios em dados mensais e anuais em R\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T15:43:32+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\/dados-diarios-agregados-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/\",\"name\":\"Como agregar dados di\u00e1rios em dados mensais e anuais em R\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-27T15:43:32+00:00\",\"dateModified\":\"2023-07-27T15:43:32+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como agregar dados di\u00e1rios em dados mensais e anuais 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. 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":"Como agregar dados di\u00e1rios em dados mensais e anuais em R","description":"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com exemplos.","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\/dados-diarios-agregados-em-r\/","og_locale":"pt_PT","og_type":"article","og_title":"Como agregar dados di\u00e1rios em dados mensais e anuais em R","og_description":"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com exemplos.","og_url":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/","og_site_name":"Statorials","article_published_time":"2023-07-27T15:43:32+00:00","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\/dados-diarios-agregados-em-r\/","url":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/","name":"Como agregar dados di\u00e1rios em dados mensais e anuais em R","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-27T15:43:32+00:00","dateModified":"2023-07-27T15:43:32+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este tutorial explica como agregar dados di\u00e1rios em datas semanais, mensais e anuais em R, com exemplos.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/dados-diarios-agregados-em-r\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Como agregar dados di\u00e1rios em dados mensais e anuais 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. 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\/1105","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=1105"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/1105\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=1105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=1105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}