{"id":2971,"date":"2023-07-19T20:21:26","date_gmt":"2023-07-19T20:21:26","guid":{"rendered":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/"},"modified":"2023-07-19T20:21:26","modified_gmt":"2023-07-19T20:21:26","slug":"roznica-dat-pand","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/","title":{"rendered":"Pandy: jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Aby obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami w ramce DataFrame pandy, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">diff_days<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">D<\/span> ')\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">W tym konkretnym przyk\u0142adzie obliczana jest r\u00f3\u017cnica mi\u0119dzy datami w kolumnach <strong>data_ko\u0144cowa<\/strong> i <strong>data_pocz\u0105tkowa<\/strong> w dniach.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Zauwa\u017c, \u017ce mo\u017cemy zast\u0105pi\u0107 \u201eD\u201d w funkcji <strong>timedelta64()<\/strong> nast\u0119puj\u0105cymi warto\u015bciami, aby obliczy\u0107 r\u00f3\u017cnic\u0119 dat w r\u00f3\u017cnych jednostkach:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>W<\/strong> : Tygodnie<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>M<\/strong> : Miesi\u0105c<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Y<\/strong> : Lata<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce obliczy\u0107 r\u00f3\u017cnic\u0119 dat w ramce DataFrame pandy.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: Oblicz r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami za pomoc\u0105 kolumn DateTime<\/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<span style=\"color: #000000;\">\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">start_date<\/span> ': pd. <span style=\"color: #3366ff;\">date_range<\/span> (start=' <span style=\"color: #ff0000;\">1\/5\/2020<\/span> ', periods= <span style=\"color: #008000;\">6<\/span> , freq=' <span style=\"color: #ff0000;\">W<\/span> '),\n                   ' <span style=\"color: #ff0000;\">end_date<\/span> ': pd. <span style=\"color: #3366ff;\">date_range<\/span> (start=' <span style=\"color: #ff0000;\">6\/1\/2020<\/span> ', periods= <span style=\"color: #008000;\">6<\/span> , freq=' <span style=\"color: #ff0000;\">M<\/span> ')})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  start_date end_date\n0 2020-01-05 2020-06-30\n1 2020-01-12 2020-07-31\n2 2020-01-19 2020-08-31\n3 2020-01-26 2020-09-30\n4 2020-02-02 2020-10-31\n5 2020-02-09 2020-11-30\n\n<span style=\"color: #008080;\">#view dtype of each column in DataFrame<\/span>\ndf. <span style=\"color: #3366ff;\">dtypes\n\n<span style=\"color: #000000;\">start_date datetime64[ns]\nend_date datetime64[ns]\ndtype:object<\/span><\/span>\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poniewa\u017c obie kolumny w ramce DataFrame maj\u0105 ju\u017c typ <strong>datetime64<\/strong> , mo\u017cemy zastosowa\u0107 nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119, aby obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy datami pocz\u0105tkow\u0105 i ko\u0144cow\u0105:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#create new columns that contains date differences\n<\/span>df[' <span style=\"color: #ff0000;\">diff_days<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">D<\/span> ')\ndf[' <span style=\"color: #ff0000;\">diff_weeks<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">W<\/span> ')\ndf[' <span style=\"color: #ff0000;\">diff_months<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">M<\/span> ')\ndf[' <span style=\"color: #ff0000;\">diff_years<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">Y<\/span> ')\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  start_date end_date diff_days diff_weeks diff_months diff_years\n0 2020-01-05 2020-06-30 177.0 25.285714 5.815314 0.484610\n1 2020-01-12 2020-07-31 201.0 28.714286 6.603832 0.550319\n2 2020-01-19 2020-08-31 225.0 32.142857 7.392349 0.616029\n3 2020-01-26 2020-09-30 248.0 35.428571 8.148011 0.679001\n4 2020-02-02 2020-10-31 272.0 38.857143 8.936528 0.744711\n5 2020-02-09 2020-11-30 295.0 42.142857 9.692191 0.807683\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nowe kolumny zawieraj\u0105 r\u00f3\u017cnice dat pomi\u0119dzy datami pocz\u0105tkowymi i ko\u0144cowymi w postaci dni, tygodni, miesi\u0119cy i lat.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: Oblicz r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami za pomoc\u0105 kolumn typu string<\/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<span style=\"color: #000000;\">\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">start_date<\/span> ': ['2020-01-05', '2020-01-12', '2020-01-19'],\n                   ' <span style=\"color: #ff0000;\">end_date<\/span> ': ['2020-06-30', '2020-07-31', '2020-08-31']})\n\n<span style=\"color: #008080;\">#view dtype of each column<\/span>\n<span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.dtypes<\/span> )\n\nstart_date object\nend_date object\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poniewa\u017c \u017cadna kolumna w DataFrame nie ma typu <strong>datetime64<\/strong> , przy pr\u00f3bie obliczenia r\u00f3\u017cnicy mi\u0119dzy datami otrzymamy b\u0142\u0105d:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#attempt to calculate date difference\n<\/span>df[' <span style=\"color: #ff0000;\">diff_days<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">D<\/span> ')\n\n<span style=\"color: #ff0000;\">TypeError<\/span> : unsupported operand type(s) for -: 'str' and 'str'\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Najpierw musisz u\u017cy\u0107 <strong>pd.to_datetime<\/strong> , aby przekonwertowa\u0107 ka\u017cd\u0105 kolumn\u0119 na format datetime przed obliczeniem r\u00f3\u017cnicy mi\u0119dzy datami:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#convert columns to datetime\n<\/span>df[[' <span style=\"color: #ff0000;\">start_date<\/span> ', ' <span style=\"color: #ff0000;\">end_date<\/span> ']] = df[[' <span style=\"color: #ff0000;\">start_date<\/span> ', ' <span style=\"color: #ff0000;\">end_date<\/span> ']]. <span style=\"color: #3366ff;\">apply<\/span> (pd. <span style=\"color: #3366ff;\">to_datetime<\/span> )\n\n<span style=\"color: #008080;\">#calculate difference between dates\n<\/span>df[' <span style=\"color: #ff0000;\">diff_days<\/span> '] = (df[' <span style=\"color: #ff0000;\">end_date<\/span> '] - df[' <span style=\"color: #ff0000;\">start_date<\/span> ']) \/ np. <span style=\"color: #3366ff;\">timedelta64<\/span> ( <span style=\"color: #008000;\">1<\/span> ,' <span style=\"color: #ff0000;\">D<\/span> ')\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  start_date end_date diff_days\n0 2020-01-05 2020-06-30 177.0\n1 2020-01-12 2020-07-31 201.0\n2 2020-01-19 2020-08-31 225.0\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poniewa\u017c najpierw przekonwertowali\u015bmy ka\u017cd\u0105 kolumn\u0119 na format daty i godziny, byli\u015bmy w stanie pomy\u015blnie obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy datami bez \u017cadnych b\u0142\u0119d\u00f3w.<\/span><\/p>\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\/zakres-dat-pandy\/\" target=\"_blank\" rel=\"noopener\">Jak utworzy\u0107 zakres dat w Pandach<\/a><br \/><a href=\"https:\/\/statorials.org\/pl\/ekstrakt-z-pand-miesiac-od-daty\/\" target=\"_blank\" rel=\"noopener\">Jak wyodr\u0119bni\u0107 miesi\u0105c z daty w Pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/panda-sygnatura-czasowa-data-godzina\/\" target=\"_blank\" rel=\"noopener\">Jak przekonwertowa\u0107 znacznik czasu na dat\u0119\/godzin\u0119 w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aby obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami w ramce DataFrame pandy, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni: df[&#8217; diff_days &#8217;] = (df[&#8217; end_date &#8217;] &#8211; df[&#8217; start_date &#8217;]) \/ np. timedelta64 ( 1 ,&#8217; D &#8217;) W tym konkretnym przyk\u0142adzie obliczana jest r\u00f3\u017cnica mi\u0119dzy datami w kolumnach data_ko\u0144cowa i data_pocz\u0105tkowa w dniach. Zauwa\u017c, \u017ce mo\u017cemy zast\u0105pi\u0107 \u201eD\u201d w [&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-2971","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>Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, 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\/roznica-dat-pand\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T20:21:26+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=\"4 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/\",\"url\":\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/\",\"name\":\"Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-19T20:21:26+00:00\",\"dateModified\":\"2023-07-19T20:21:26+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/roznica-dat-pand\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandy: jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami\"}]},{\"@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":"Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials","description":"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.","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\/roznica-dat-pand\/","og_locale":"pl_PL","og_type":"article","og_title":"Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials","og_description":"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.","og_url":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/","og_site_name":"Statorials","article_published_time":"2023-07-19T20:21:26+00:00","author":"Benjamin Anderson","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Benjamin Anderson","Szacowany czas czytania":"4 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/","url":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/","name":"Pandy: Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/pl\/#website"},"datePublished":"2023-07-19T20:21:26+00:00","dateModified":"2023-07-19T20:21:26+00:00","author":{"@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965"},"description":"W tym samouczku wyja\u015bniono, jak obliczy\u0107 r\u00f3\u017cnic\u0119 dat mi\u0119dzy dwiema datami w ramce DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.","breadcrumb":{"@id":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pl\/roznica-dat-pand\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pl\/roznica-dat-pand\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom","item":"https:\/\/statorials.org\/pl\/"},{"@type":"ListItem","position":2,"name":"Pandy: jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami"}]},{"@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\/2971","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=2971"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/2971\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/media?parent=2971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/categories?post=2971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/tags?post=2971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}