{"id":2195,"date":"2023-07-23T07:28:50","date_gmt":"2023-07-23T07:28:50","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/"},"modified":"2023-07-23T07:28:50","modified_gmt":"2023-07-23T07:28:50","slug":"pandy-konwertuja-kolumne-na-int","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/","title":{"rendered":"Jak przekonwertowa\u0107 kolumny pandas dataframe na int"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby przekonwertowa\u0107 kolumn\u0119 ramki DataFrame pandy na typ ca\u0142kowity:<\/span><\/p>\n

 df[' col1<\/span> '] = df[' col1<\/span> ']. astype<\/span> (int)\n<\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce.<\/span><\/p>\n
 Przyk\u0142ad 1: Konwertuj kolumn\u0119 na liczb\u0119 ca\u0142kowit\u0105<\/strong><\/span><\/h3>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 DataFrame pand:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\n<\/span>df = pd. DataFrame<\/span> ({' player<\/span> ': ['A', 'B', 'C', 'D', 'E'],\n                   ' points<\/span> ': ['25', '20', '14', '16', '27'],\n                   ' assists<\/span> ': ['5', '7', '7', '8', '11']})\n\n#view data types for each column\n<\/span>df. dtypes\n\nplayer object\npoints object\nassists object\ndtype:object\n<\/span><\/span><\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce \u017cadna z kolumn nie ma obecnie typu danych ca\u0142kowitych.<\/span><\/p>\n
 Poni\u017cszy kod pokazuje, jak przekonwertowa\u0107 kolumn\u0119 \u201epunkty\u201d ramki DataFrame na typ ca\u0142kowity:<\/span><\/p>\n
 #convert 'points' column to integer\ndf[' points<\/span> '] = df[' points<\/span> ']. astype<\/span> (int)\n\n#view data types of each column\n<\/span>df. dtypes<\/span>\n\nplayer object\nint64 dots\nassists object\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce kolumna \u201epunkty\u201d jest teraz liczb\u0105 ca\u0142kowit\u0105, podczas gdy wszystkie pozosta\u0142e kolumny pozosta\u0142y niezmienione.<\/span><\/p>\n
 Przyk\u0142ad 2: Konwertuj wiele kolumn na liczb\u0119 ca\u0142kowit\u0105<\/strong><\/span><\/h3>\n
 Poni\u017cszy kod pokazuje, jak przekonwertowa\u0107 wiele kolumn ramki DataFrame na liczb\u0119 ca\u0142kowit\u0105:<\/span><\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\n<\/span>df = pd. DataFrame<\/span> ({' player<\/span> ': ['A', 'B', 'C', 'D', 'E'],\n                   ' points<\/span> ': ['25', '20', '14', '16', '27'],\n                   ' assists<\/span> ': ['5', '7', '7', '8', '11']})\n\n#convert 'points' and 'assists' columns to integer<\/span>\ndf[[' points<\/span> ', ' assists<\/span> ']] = df[[' points<\/span> ', ' assists<\/span> ']]. astype<\/span> (int)\n\n#view data types for each column\n<\/span>df. dtypes\n\nplayer object\nint64 dots\nassists int64\ndtype:object<\/span><\/span><\/span><\/span><\/strong><\/pre>\n
 Widzimy, \u017ce kolumny \u201epunkty\u201d i \u201epodania\u201d zosta\u0142y zamienione na liczby ca\u0142kowite, natomiast kolumna \u201egracz\u201d pozosta\u0142a niezmieniona.<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h3>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne popularne konwersje w Pythonie:<\/span><\/p>\n
 Jak przekonwertowa\u0107 kolumny Pandas DataFrame na ci\u0105gi<\/a>
 Jak przekonwertowa\u0107 znacznik czasu na dat\u0119\/godzin\u0119 w Pandach<\/a>
 Jak przekonwertowa\u0107 DateTime na dat\u0119 w Pandach<\/a>
 Jak przekonwertowa\u0107 ci\u0105g na p\u0142ywaj\u0105cy w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby przekonwertowa\u0107 kolumn\u0119 ramki DataFrame pandy na typ ca\u0142kowity: df[’ col1 ’] = df[’ col1 ’]. astype (int) Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce. Przyk\u0142ad 1: Konwertuj kolumn\u0119 na liczb\u0119 ca\u0142kowit\u0105 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 DataFrame pand: import pandas as pd #createDataFrame df = pd. DataFrame ({’ […]<\/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-2195","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak przekonwertowa\u0107 kolumny Pandas DataFrame na int - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak przekonwertowa\u0107 kolumny Pandas DataFrame na typ ca\u0142kowity, 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\/pandy-konwertuja-kolumne-na-int\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak przekonwertowa\u0107 kolumny Pandas DataFrame na int - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak przekonwertowa\u0107 kolumny Pandas DataFrame na typ ca\u0142kowity, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T07:28:50+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-konwertuja-kolumne-na-int\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/\",\"name\":\"Jak przekonwertowa\u0107 kolumny Pandas DataFrame na int - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-23T07:28:50+00:00\",\"dateModified\":\"2023-07-23T07:28:50+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak przekonwertowa\u0107 kolumny Pandas DataFrame na typ ca\u0142kowity, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-konwertuja-kolumne-na-int\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak przekonwertowa\u0107 kolumny pandas dataframe na int\"}]},{\"@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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