{"id":4162,"date":"2023-07-13T04:19:22","date_gmt":"2023-07-13T04:19:22","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-konwertuja-ciag-na-datetime\/"},"modified":"2023-07-13T04:19:22","modified_gmt":"2023-07-13T04:19:22","slug":"pandy-konwertuja-ciag-na-datetime","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-konwertuja-ciag-na-datetime\/","title":{"rendered":"Jak przekonwertowa\u0107 ci\u0105g na datetime w pandach"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby przekonwertowa\u0107 kolumn\u0119 ci\u0105gu na format daty i godziny w ramce DataFrame pandy:<\/span><\/p>\n

Metoda 1: Konwertuj kolumn\u0119 ci\u0105gu na dat\u0119 i godzin\u0119<\/strong><\/span><\/p>\n

 df[' col1<\/span> '] = pd. to_datetime<\/span> (df[' col1<\/span> '])\n<\/strong><\/pre>\n
 Metoda 2: Konwertuj wiele kolumn z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119<\/strong><\/span><\/p>\n
 df[[' col1<\/span> ', ' col2<\/span> ']] = df[[' col1<\/span> ', ' col2<\/span> ']]. apply<\/span> (pd. to_datetime<\/span> )<\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce u\u017cywa\u0107 ka\u017cdej z tych metod z nast\u0119puj\u0105c\u0105 ramk\u0105 DataFrame pand:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\ndf = pd. DataFrame<\/span> ({' task<\/span> ': ['A', 'B', 'C', 'D'],\n                   ' due_date<\/span> ': ['4-15-2022', '5-19-2022', '6-14-2022', '10-24-2022'],\n                   ' comp_date<\/span> ': ['4-14-2022', '5-23-2022', '6-24-2022', '10-7-2022']})\n\n#view DataFrame\n<\/span>print<\/span> (df)\n\n  task due_date comp_date\n0 A 2022-04-15 2022-04-14\n1 B 2022-05-19 2022-05-23\n2 C 2022-06-14 2022-06-24\n3 D 2022-10-24 2022-10-07\n\n#view data type of each column<\/span>\nprint<\/span> ( df.dtypes<\/span> )\n\ntask object\ndue_date object\ncomp_date object\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce ka\u017cda kolumna w DataFrame ma obecnie obiektowy<\/strong> typ danych, czyli ci\u0105g.<\/span><\/p>\n
 Przyk\u0142ad 1: Konwertuj kolumn\u0119 ci\u0105gu na dat\u0119 i godzin\u0119<\/strong><\/span><\/h2>\n
 Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby przekonwertowa\u0107 kolumn\u0119 due_date<\/strong> z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119:<\/span><\/span><\/p>\n
 #convert due_date column to datetime\n<\/span>df[' due_date<\/span> '] = pd. to_datetime<\/span> (df[' due_date<\/span> '])\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n  task due_date comp_date\n0 A 2022-04-15 4-14-2022\n1 B 2022-05-19 5-23-2022\n2 C 2022-06-14 6-24-2022\n3 D 2022-10-24 10-7-2022\n\n#view data type of each column\n<\/span>print<\/span> ( df.dtypes<\/span> )\n\ntask object\ndue_date datetime64[ns]\ncomp_date object\ndtype:object<\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce kolumna due_date<\/strong> zosta\u0142a przekonwertowana na datetime, podczas gdy wszystkie inne kolumny pozosta\u0142y niezmienione.<\/span><\/span><\/p>\n
 Przyk\u0142ad 2: Konwertuj wiele kolumn z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119<\/strong><\/span><\/h2>\n
 Mo\u017cemy u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby przekonwertowa\u0107 kolumny due_date<\/strong> i comp_date<\/strong> z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119:<\/span><\/p>\n
 #convert due_date and comp_date columns to datetime\n<\/span>df[[' due_date<\/span> ', ' comp_date<\/span> ']] = df[[' due_date<\/span> ', ' comp_date<\/span> ']]. apply<\/span> (pd. to_datetime<\/span> )\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n  task due_date comp_date\n0 A 2022-04-15 2022-04-14\n1 B 2022-05-19 2022-05-23\n2 C 2022-06-14 2022-06-24\n3 D 2022-10-24 2022-10-07\n\n#view data type of each column\n<\/span>print<\/span> ( df.dtypes<\/span> )\n\ntask object\ndue_date datetime64[ns]\ncomp_date datetime64[ns]\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce kolumny due_date<\/strong> i comp_date<\/strong> zosta\u0142y przekonwertowane z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119.<\/span><\/p>\n
 Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 funkcji pandas to_datetime()<\/strong> mo\u017cna znale\u017a\u0107 tutaj<\/a> .<\/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 utworzy\u0107 zakres dat w Pandach<\/a>
 Jak przekonwertowa\u0107 znacznik czasu na dat\u0119\/godzin\u0119 w Pandach<\/a>
 Jak obliczy\u0107 r\u00f3\u017cnic\u0119 mi\u0119dzy dwiema datami w pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby przekonwertowa\u0107 kolumn\u0119 ci\u0105gu na format daty i godziny w ramce DataFrame pandy: Metoda 1: Konwertuj kolumn\u0119 ci\u0105gu na dat\u0119 i godzin\u0119 df[’ col1 ’] = pd. to_datetime (df[’ col1 ’]) Metoda 2: Konwertuj wiele kolumn z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119 df[[’ col1 ’, ’ col2 ’]] = df[[’ […]<\/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-4162","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak przekonwertowa\u0107 ci\u0105g na datetime w Pandach - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak przekonwertowa\u0107 jedn\u0105 lub wi\u0119cej kolumn z ci\u0105gu znak\u00f3w na dat\u0119 i godzin\u0119 w ramce DataFrame pandy, \u0142\u0105cznie z przyk\u0142adami.\" \/>\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-konwertuja-ciag-na-datetime\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak przekonwertowa\u0107 ci\u0105g na datetime w Pandach - 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