{"id":1104,"date":"2023-07-27T15:43:32","date_gmt":"2023-07-27T15:43:32","guid":{"rendered":"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/"},"modified":"2023-07-27T15:43:32","modified_gmt":"2023-07-27T15:43:32","slug":"dane-dzienne-zagregowane-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/","title":{"rendered":"Jak agregowa\u0107 dane dzienne na dane miesi\u0119czne i roczne w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Czasami mo\u017cesz chcie\u0107 zagregowa\u0107 dane dzienne w dane tygodniowe, miesi\u0119czne lub roczne w R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">W tym samouczku wyja\u015bniono, jak \u0142atwo to zrobi\u0107, korzystaj\u0105c z pakiet\u00f3w <strong>lubridate<\/strong> i <strong>dplyr<\/strong> .<\/span><\/p>\n<h2> <strong>Przyk\u0142ad: Zagregowane dane dzienne w R<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych w R, kt\u00f3ra pokazuje dzienn\u0105 sprzeda\u017c towaru w okresie 100 kolejnych dni:<\/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;\">Aby zagregowa\u0107 te dane, mo\u017cemy u\u017cy\u0107 funkcji <a href=\"https:\/\/lubridate.tidyverse.org\/reference\/round_date.html\" target=\"_blank\" rel=\"noopener noreferrer\">Floor_date()<\/a> pakietu <strong>lubridate<\/strong> , kt\u00f3ra wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/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;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x:<\/strong> wektor obiekt\u00f3w daty.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>jednostka:<\/strong> jednostka czasu do zaokr\u0105glenia. Opcje obejmuj\u0105 sekundy, minuty, godziny, dni, tygodnie, miesi\u0105ce, dane dwumiesi\u0119czne, kwarta\u0142y, p\u00f3\u0142rocza i lata.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017csze fragmenty kodu pokazuj\u0105, jak u\u017cywa\u0107 tej funkcji z funkcjami <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/group_by.html\" target=\"_blank\" rel=\"noopener noreferrer\">group_by()<\/a> i <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/summarise.html\" target=\"_blank\" rel=\"noopener noreferrer\">podsumowanie()<\/a> w pakiecie <strong>dplyr<\/strong> , aby znale\u017a\u0107 \u015bredni\u0105 sprzeda\u017c wed\u0142ug tygodnia, miesi\u0105ca i roku:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u015arednia sprzeda\u017c tygodniowa<\/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>\u015arednia sprzeda\u017c miesi\u0119czna<\/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>\u015arednia sprzeda\u017c roczna<\/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;\">Pami\u0119taj, \u017ce decydujemy si\u0119 na agregacj\u0119 wed\u0142ug \u015bredniej, ale mo\u017cemy u\u017cy\u0107 dowolnej statystyki podsumowuj\u0105cej, takiej jak mediana, tryb, maksimum, minimum itp.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w j\u0119zyku R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/r-srednia-na-grupe\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak obliczy\u0107 \u015bredni\u0105 na grup\u0119 w R<\/a><br \/><a href=\"https:\/\/statorials.org\/pl\/suma-skumulowana-w-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak obliczy\u0107 sumy skumulowane w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/wykresl-szeregi-czasowe-w-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak wykre\u015bli\u0107 szereg czasowy w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Czasami mo\u017cesz chcie\u0107 zagregowa\u0107 dane dzienne w dane tygodniowe, miesi\u0119czne lub roczne w R. W tym samouczku wyja\u015bniono, jak \u0142atwo to zrobi\u0107, korzystaj\u0105c z pakiet\u00f3w lubridate i dplyr . Przyk\u0142ad: Zagregowane dane dzienne w R Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych w R, kt\u00f3ra pokazuje dzienn\u0105 sprzeda\u017c towaru w okresie 100 kolejnych dni: #make this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1104","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak agregowa\u0107 dane dzienne na dane miesi\u0119czne i roczne w R<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak agregowa\u0107 dane dzienne w daty tygodniowe, miesi\u0119czne i roczne w j\u0119zyku R.\" \/>\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\/pl\/dane-dzienne-zagregowane-w-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak agregowa\u0107 dane dzienne na dane miesi\u0119czne i roczne w R\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak agregowa\u0107 dane dzienne w daty tygodniowe, miesi\u0119czne i roczne w j\u0119zyku R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-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=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/\",\"name\":\"Jak agregowa\u0107 dane dzienne na dane miesi\u0119czne i roczne w R\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-27T15:43:32+00:00\",\"dateModified\":\"2023-07-27T15:43:32+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak agregowa\u0107 dane dzienne w daty tygodniowe, miesi\u0119czne i roczne w j\u0119zyku R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/dane-dzienne-zagregowane-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak agregowa\u0107 dane dzienne na dane miesi\u0119czne i roczne w r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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