{"id":3340,"date":"2023-07-18T00:14:39","date_gmt":"2023-07-18T00:14:39","guid":{"rendered":"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/"},"modified":"2023-07-18T00:14:39","modified_gmt":"2023-07-18T00:14:39","slug":"dodaj-odejmij-miesiac-od-daty-pandy","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/","title":{"rendered":"Jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce do daty w pandach"},"content":{"rendered":"

<\/p>\n

\n

Do dodawania i odejmowania miesi\u0119cy od daty w pandach mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod:<\/span><\/p>\n

Metoda 1: Dodaj miesi\u0105ce do chwili obecnej<\/strong><\/span><\/p>\n

 from<\/span> pandas. tseries<\/span> . offsets<\/span> import<\/span> DateOffset\n<\/span>\ndf[' date_column<\/span> '] + DateOffset(months= 3<\/span> )\n<\/span><\/span><\/strong><\/pre>\n
 Metoda 2: Odejmij miesi\u0105ce od daty<\/strong><\/span><\/p>\n
 from<\/span> pandas. tseries<\/span> . offsets<\/span> import<\/span> DateOffset\n<\/span>\ndf[' date_column<\/span> '] - DateOffset(months= 3<\/span> )<\/span><\/span><\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce u\u017cywa\u0107 ka\u017cdej metody z nast\u0119puj\u0105c\u0105 ramk\u0105 DataFrame pand:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\n<\/span>df = pd. DataFrame<\/span> ({' date<\/span> ': pd. date_range<\/span> (start='1\/5\/2022', freq='M', periods= 10<\/span> ),\n                   ' sales<\/span> ': [6, 8, 9, 5, 4, 8, 8, 3, 5, 9]})\n\n#view DataFrame\n<\/span>print<\/span> (df)\n\n        dirty dates\n0 2022-01-31 6\n1 2022-02-28 8\n2 2022-03-31 9\n3 2022-04-30 5\n4 2022-05-31 4\n5 2022-06-30 8\n6 2022-07-31 8\n7 2022-08-31 3\n8 2022-09-30 5\n9 2022-10-31 9\n<\/strong><\/span><\/pre>\n
 Przyk\u0142ad 1: Dodaj miesi\u0105ce do chwili obecnej w Pandach<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak utworzy\u0107 now\u0105 kolumn\u0119, kt\u00f3ra dodaje 3 miesi\u0105ce do warto\u015bci kolumny daty<\/strong> :<\/span><\/p>\n
 from<\/span> pandas. tseries<\/span> . offsets<\/span> import<\/span> DateOffset\n\n#create new column that adds 3 months to date\n<\/span>df[' date_plus3<\/span> '] = df. date<\/span> + DateOffset(months= 3<\/span> )\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n        date sales date_plus3\n0 2022-01-31 6 2022-04-30\n1 2022-02-28 8 2022-05-28\n2 2022-03-31 9 2022-06-30\n3 2022-04-30 5 2022-07-30\n4 2022-05-31 4 2022-08-31\n5 2022-06-30 8 2022-09-30\n6 2022-07-31 8 2022-10-31\n7 2022-08-31 3 2022-11-30\n8 2022-09-30 5 2022-12-30\n9 2022-10-31 9 2023-01-31<\/span><\/span><\/strong><\/pre>\n
 Nowa kolumna date_plus3<\/strong> reprezentuje warto\u015bci z kolumny daty<\/strong> z do\u0142\u0105czonymi trzema miesi\u0105cami do ka\u017cdej warto\u015bci.<\/span><\/p>\n
 Przyk\u0142ad 2: Odejmij miesi\u0105ce od daty w Pandach<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak utworzy\u0107 now\u0105 kolumn\u0119, kt\u00f3ra odejmuje 3 miesi\u0105ce od warto\u015bci kolumny daty<\/strong> :<\/span><\/p>\n
 from<\/span> pandas. tseries<\/span> . offsets<\/span> import<\/span> DateOffset\n\n#create new column that subtracts 3 months from date\n<\/span>df[' date_minus3<\/span> '] = df. date<\/span> + DateOffset(months= 3<\/span> )\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n        date sales date_minus3\n0 2022-01-31 6 2021-10-31\n1 2022-02-28 8 2021-11-28\n2 2022-03-31 9 2021-12-31\n3 2022-04-30 5 2022-01-30\n4 2022-05-31 4 2022-02-28\n5 2022-06-30 8 2022-03-30\n6 2022-07-31 8 2022-04-30\n7 2022-08-31 3 2022-05-31\n8 2022-09-30 5 2022-06-30\n9 2022-10-31 9 2022-07-31<\/span><\/span><\/strong><\/pre>\n
 Nowa kolumna date_minus3<\/strong> reprezentuje warto\u015bci z kolumny daty<\/strong> z odj\u0119ciem trzech miesi\u0119cy od ka\u017cdej warto\u015bci.<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe operacje na pandach:<\/span><\/p>\n
 Jak przekonwertowa\u0107 kolumny na DateTime w Pandach<\/a>
 Jak przekonwertowa\u0107 DateTime na dat\u0119 w Pandach<\/a>
Jak wyodr\u0119bni\u0107 miesi\u0105c z daty w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Do dodawania i odejmowania miesi\u0119cy od daty w pandach mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod: Metoda 1: Dodaj miesi\u0105ce do chwili obecnej from pandas. tseries . offsets import DateOffset df[’ date_column ’] + DateOffset(months= 3 ) Metoda 2: Odejmij miesi\u0105ce od daty from pandas. tseries . offsets import DateOffset df[’ date_column ’] – DateOffset(months= 3 ) Poni\u017csze […]<\/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-3340","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce do daty w Pandach \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce od daty w Pandach.\" \/>\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\/dodaj-odejmij-miesiac-od-daty-pandy\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce do daty w Pandach \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce od daty w Pandach.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-18T00:14:39+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\/dodaj-odejmij-miesiac-od-daty-pandy\/\",\"url\":\"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/\",\"name\":\"Jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce do daty w Pandach \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-18T00:14:39+00:00\",\"dateModified\":\"2023-07-18T00:14:39+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce od daty w Pandach.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/dodaj-odejmij-miesiac-od-daty-pandy\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak dodawa\u0107 i odejmowa\u0107 miesi\u0105ce do daty w pandach\"}]},{\"@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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