{"id":2339,"date":"2023-07-22T17:02:44","date_gmt":"2023-07-22T17:02:44","guid":{"rendered":"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/"},"modified":"2023-07-22T17:02:44","modified_gmt":"2023-07-22T17:02:44","slug":"panda-toczaca-sie-mediana","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/","title":{"rendered":"Jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach: z przyk\u0142adami"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Mediana krocz\u0105ca<\/strong> to mediana szeregu poprzednich okres\u00f3w w szeregu czasowym.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aby obliczy\u0107 median\u0119 krocz\u0105c\u0105 kolumny w ramce DataFrame pandy, mo\u017cemy zastosowa\u0107 nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate rolling median of previous 3 periods<\/span>\ndf[' <span style=\"color: #ff0000;\">column_name<\/span> ']. <span style=\"color: #3366ff;\">rolling<\/span> (3). <span style=\"color: #3366ff;\">median<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Oblicz ruchom\u0105 median\u0119 kolumny<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 DataFrame pand:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span><span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">month<\/span> ': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],\n                   ' <span style=\"color: #ff0000;\">leads<\/span> ': [13, 15, 16, 15, 17, 20, 22, 24, 25, 26, 23, 24],\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [22, 24, 23, 27, 26, 26, 27, 30, 33, 32, 27, 25]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tmonth sales leads\n0 1 13 22\n1 2 15 24\n2 3 16 23\n3 4 15 27\n4 5 17 26\n5 6 20 26\n6 7 22 27\n7 8 24 30\n8 9 25 33\n9 10 26 32\n10 11 23 27\n11 12 24 25\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby utworzy\u0107 now\u0105 kolumn\u0119 zawieraj\u0105c\u0105 krocz\u0105c\u0105 median\u0119 \u201esprzeda\u017cy\u201d z poprzednich 3 okres\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate 3-month rolling median\n<\/span>df[' <span style=\"color: #ff0000;\">sales_rolling3<\/span> '] = df[' <span style=\"color: #ff0000;\">sales<\/span> ']. <span style=\"color: #3366ff;\">rolling<\/span> (3). <span style=\"color: #3366ff;\">median<\/span> ()\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n\tmonth leads sales sales_rolling3\n0 1 13 22 NaN\n1 2 15 24 NaN\n2 3 16 23 23.0\n3 4 15 27 24.0\n4 5 17 26 26.0\n5 6 20 26 26.0\n6 7 22 27 26.0\n7 8 24 30 27.0\n8 9 25 33 30.0\n9 10 26 32 32.0\n10 11 23 27 32.0\n11 12 24 25 27.0<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy r\u0119cznie sprawdzi\u0107, czy \u015brednia krocz\u0105ca sprzeda\u017cy wy\u015bwietlana w miesi\u0105cu 3 jest median\u0105 z poprzednich 3 miesi\u0119cy:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Mediana 22, 24, 23 = <strong>23,0<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Podobnie mo\u017cemy sprawdzi\u0107 krocz\u0105c\u0105 median\u0119 sprzeda\u017cy w miesi\u0105cu 4:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Mediana 24, 23, 27 = <strong>24,0<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 podobnej sk\u0142adni do obliczenia 6-miesi\u0119cznej mediany krocz\u0105cej:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate 6-month rolling median\n<span style=\"color: #000000;\">df['<\/span> <span style=\"color: #ff0000;\">sales_rolling6<\/span> <span style=\"color: #000000;\">'] = df['<\/span> <span style=\"color: #ff0000;\">sales<\/span> <span style=\"color: #000000;\">'].<\/span> <span style=\"color: #3366ff;\">rolling<\/span> <span style=\"color: #000000;\">(6).<\/span> <span style=\"color: #3366ff;\">median<\/span> <span style=\"color: #000000;\">()<\/span><\/span>\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\nmonth leads sales sales_rolling3 sales_rolling6\n0 1 13 22 NaN NaN\n1 2 15 24 NaN NaN\n2 3 16 23 23.0 NaN\n3 4 15 27 24.0 NaN\n4 5 17 26 26.0 NaN\n5 6 20 26 26.0 25.0\n6 7 22 27 26.0 26.0\n7 8 24 30 27.0 26.5\n8 9 25 33 30.0 27.0\n9 10 26 32 32.0 28.5\n10 11 23 27 32.0 28.5\n11 12 24 25 27.0 28.5\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe operacje na pandach:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/z\u0142e-toczace-sie-pandy\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 \u015bredni\u0105 ruchom\u0105 w pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/\u0142ozysko-korelacyjne-pandy\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 korelacj\u0119 przesuwn\u0105 w pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/procentowa-zmiana-pand\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 zmian\u0119 procentow\u0105 u pand<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mediana krocz\u0105ca to mediana szeregu poprzednich okres\u00f3w w szeregu czasowym. Aby obliczy\u0107 median\u0119 krocz\u0105c\u0105 kolumny w ramce DataFrame pandy, mo\u017cemy zastosowa\u0107 nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119: #calculate rolling median of previous 3 periods df[&#8217; column_name &#8217;]. rolling (3). median () Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119. Przyk\u0142ad: Oblicz ruchom\u0105 median\u0119 kolumny Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 [&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-2339","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 obliczy\u0107 ruchom\u0105 median\u0119 w pandach (z przyk\u0142adami) - Statoriale<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\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\/panda-toczaca-sie-mediana\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach (z przyk\u0142adami) - Statoriale\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T17:02:44+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=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/\",\"url\":\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/\",\"name\":\"Jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach (z przyk\u0142adami) - Statoriale\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-22T17:02:44+00:00\",\"dateModified\":\"2023-07-22T17:02:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/panda-toczaca-sie-mediana\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak obliczy\u0107 ruchom\u0105 median\u0119 w pandach: z przyk\u0142adami\"}]},{\"@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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