{"id":3576,"date":"2023-07-16T18:00:58","date_gmt":"2023-07-16T18:00:58","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/"},"modified":"2023-07-16T18:00:58","modified_gmt":"2023-07-16T18:00:58","slug":"pandy-ramka-danych-3d","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/","title":{"rendered":"Jak utworzy\u0107 ramk\u0119 danych 3d pandy (z przyk\u0142adem)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 modu\u0142u <a href=\"https:\/\/docs.xarray.dev\/en\/stable\/user-guide\/pandas.html\" target=\"_blank\" rel=\"noopener\">xarray<\/a> , aby szybko utworzy\u0107 ramk\u0119 DataFrame 3D pandy.<\/span><\/p>\n<p> <span style=\"color: #000000;\">W tym samouczku wyja\u015bniono, jak utworzy\u0107 nast\u0119puj\u0105c\u0105 ramk\u0119 danych 3D pandy przy u\u017cyciu funkcji modu\u0142u xarray:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>product_A product_B product_C\nyear quarter                                 \n2021 Q1 1.624345 0.319039 50\n     Q2 -0.611756 0.319039 50\n     Q3 -0.528172 0.319039 50\n     Q4 -1.072969 0.319039 50\n2022 Q1 0.865408 -0.249370 50\n     Q2 -2.301539 -0.249370 50\n     Q3 1.744812 -0.249370 50\n     Q4 -0.761207 -0.249370 50\n<\/strong><\/span><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: utw\u00f3rz ramk\u0119 danych 3D Pandy<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 zbi\u00f3r danych 3D przy u\u017cyciu funkcji <strong>xarray<\/strong> i <strong>NumPy<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008000;\">import<\/span> xarray <span style=\"color: #008000;\">as<\/span> xr\n\n<span style=\"color: #008080;\">#make this example reproducible\n<\/span>n.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#create 3D dataset\n<\/span>xarray_3d = xr. <span style=\"color: #3366ff;\">Dataset<\/span> (\n    <span style=\"color: #3366ff;\">{<\/span> \" <span style=\"color: #ff0000;\">product_A<\/span> \": ((\"year\", \"quarter\"), <span style=\"color: #3366ff;\">np.random.randn<\/span> (2,4))},\n    coordinates={\n        \" <span style=\"color: #ff0000;\">year<\/span> \": [2021, 2022],\n        \" <span style=\"color: #ff0000;\">quarter<\/span> \": [\"Q1\", \"Q2\", \"Q3\", \"Q4\"],\n        \" <span style=\"color: #ff0000;\">product_B<\/span> \": (\"year\", np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">randn<\/span> (2)),\n        \" <span style=\"color: #ff0000;\">product_C<\/span> \": 50,\n    },\n)\n\n<span style=\"color: #008080;\">#view 3D dataset\n<\/span><span style=\"color: #008000;\">print<\/span> (xarray_3d)\n\nDimensions: (year: 2, quarter: 4)\nCoordinates:\n  * year (year) int32 2021 2022\n  * quarter (quarter) &lt;U2 'Q1' 'Q2' 'Q3' 'Q4'\n    product_B (year) float64 0.319 -0.2494\n    product_C int32 50\nData variables:\n    product_A (year, quarter) float64 1.624 -0.6118 -0.5282 ... 1.745 -0.7612<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : Funkcja NumPy <a href=\"https:\/\/numpy.org\/doc\/stable\/reference\/random\/generated\/numpy.random.randn.html\" target=\"_blank\" rel=\"noopener\">Randn()<\/a> zwraca przyk\u0142adowe warto\u015bci ze <a href=\"https:\/\/statorials.org\/pl\/rozk\u0142ad-normalny-a-standardowy-rozk\u0142ad-normalny\/\" target=\"_blank\" rel=\"noopener\">standardowego rozk\u0142adu normalnego<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Nast\u0119pnie mo\u017cemy u\u017cy\u0107 funkcji <strong>to_dataframe()<\/strong> , aby przekonwertowa\u0107 ten zbi\u00f3r danych na ramk\u0119 DataFrame pandy:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#convert xarray to DataFrame\n<\/span>df_3d = xarray_3d. <span style=\"color: #3366ff;\">to_dataframe<\/span> ()\n\n<span style=\"color: #008080;\">#view 3D DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df_3d)\n\n              product_A product_B product_C\nyear quarter                                 \n2021 Q1 1.624345 0.319039 50\n     Q2 -0.611756 0.319039 50\n     Q3 -0.528172 0.319039 50\n     Q4 -1.072969 0.319039 50\n2022 Q1 0.865408 -0.249370 50\n     Q2 -2.301539 -0.249370 50\n     Q3 1.744812 -0.249370 50\n     Q4 -0.761207 -0.249370 50<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">W rezultacie powstaje tr\u00f3jwymiarowa ramka danych pandy zawieraj\u0105ca informacje o liczbie sprzeda\u017cy trzech r\u00f3\u017cnych produkt\u00f3w w dw\u00f3ch r\u00f3\u017cnych latach i czterech r\u00f3\u017cnych kwarta\u0142ach roku.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 funkcji <strong>type()<\/strong> , aby potwierdzi\u0107, \u017ce ten obiekt rzeczywi\u015bcie jest ramk\u0105 DataFrame pandy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#display type of df_3d\n<\/span><span style=\"color: #008000;\">type<\/span> (df_3d)\n\npandas.core.frame.DataFrame\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Obiekt jest rzeczywi\u015bcie ramk\u0105 DataFrame pandy.<\/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 funkcje w pandach:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/pandy-unikalne-wartosci-w-kolumnie\/\" target=\"_blank\" rel=\"noopener\">Pandy: Jak znale\u017a\u0107 unikalne warto\u015bci w kolumnie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/panda-roznica-miedzy-rzedami\/\" target=\"_blank\" rel=\"noopener\">Pandy: jak znale\u017a\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema liniami<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/pandy-licza-brakujace-wartosci\/\" target=\"_blank\" rel=\"noopener\">Pandy: Jak policzy\u0107 brakuj\u0105ce warto\u015bci w DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 modu\u0142u xarray , aby szybko utworzy\u0107 ramk\u0119 DataFrame 3D pandy. W tym samouczku wyja\u015bniono, jak utworzy\u0107 nast\u0119puj\u0105c\u0105 ramk\u0119 danych 3D pandy przy u\u017cyciu funkcji modu\u0142u xarray: product_A product_B product_C year quarter 2021 Q1 1.624345 0.319039 50 Q2 -0.611756 0.319039 50 Q3 -0.528172 0.319039 50 Q4 -1.072969 0.319039 50 2022 Q1 0.865408 -0.249370 50 [&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-3576","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 utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.\" \/>\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\/pandy-ramka-danych-3d\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T18:00:58+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\/pandy-ramka-danych-3d\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/\",\"name\":\"Jak utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-16T18:00:58+00:00\",\"dateModified\":\"2023-07-16T18:00:58+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak utworzy\u0107 ramk\u0119 danych 3d pandy (z przyk\u0142adem)\"}]},{\"@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. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej\",\"sameAs\":[\"https:\/\/statorials.org\/pl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jak utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia","description":"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.","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\/pl\/pandy-ramka-danych-3d\/","og_locale":"pl_PL","og_type":"article","og_title":"Jak utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia","og_description":"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.","og_url":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/","og_site_name":"Statorials","article_published_time":"2023-07-16T18:00:58+00:00","author":"Benjamin Anderson","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Benjamin Anderson","Szacowany czas czytania":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/","url":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/","name":"Jak utworzy\u0107 ramk\u0119 danych 3D Pandy (z przyk\u0142adem) - Statologia","isPartOf":{"@id":"https:\/\/statorials.org\/pl\/#website"},"datePublished":"2023-07-16T18:00:58+00:00","dateModified":"2023-07-16T18:00:58+00:00","author":{"@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965"},"description":"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak utworzy\u0107 ramk\u0119 danych 3D pandy.","breadcrumb":{"@id":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pl\/pandy-ramka-danych-3d\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom","item":"https:\/\/statorials.org\/pl\/"},{"@type":"ListItem","position":2,"name":"Jak utworzy\u0107 ramk\u0119 danych 3d pandy (z przyk\u0142adem)"}]},{"@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. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej","sameAs":["https:\/\/statorials.org\/pl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/3576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/comments?post=3576"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/3576\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/media?parent=3576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/categories?post=3576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/tags?post=3576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}