{"id":3365,"date":"2023-07-17T21:09:51","date_gmt":"2023-07-17T21:09:51","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/"},"modified":"2023-07-17T21:09:51","modified_gmt":"2023-07-17T21:09:51","slug":"pandy-dodaja-pusta-kolumne","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/","title":{"rendered":"Jak doda\u0107 pust\u0105 kolumn\u0119 do pandas dataframe (3 przyk\u0142ady)"},"content":{"rendered":"

<\/p>\n

\n

Aby doda\u0107 puste kolumny do ramki DataFrame pandy, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod:<\/span><\/p>\n

Metoda 1: Dodaj pust\u0105 kolumn\u0119 ze spacjami<\/strong><\/span><\/p>\n

 df[' empty_column<\/span> '] = \"\"\n<\/strong><\/pre>\n
 Metoda 2: Dodaj pust\u0105 kolumn\u0119 z warto\u015bciami NaN<\/strong><\/span><\/p>\n
 df[' empty_column<\/span> '] = np. Nope<\/span><\/strong><\/pre>\n
 Metoda 3: Dodaj wiele pustych kolumn z warto\u015bciami NaN<\/strong><\/span><\/p>\n
 df[[' empty1<\/span> ', ' empty2<\/span> ', ' empty3<\/span> ']] = np. Nope<\/span><\/strong><\/pre>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 ka\u017cdej metody z nast\u0119puj\u0105cymi ramkami danych pand:<\/span><\/p>\n
 import<\/span> pandas as<\/span> pd\n\n#createDataFrame\n<\/span>df = pd. DataFrame<\/span> ({' team<\/span> ': ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],\n                   ' points<\/span> ': [18, 22, 19, 14, 14, 11, 20, 28],\n                   ' assists<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4]})\n\n#view DataFrame\n<\/span>print<\/span> (df)\n\n  team points assists\n0 to 18 5\n1 B 22 7\n2 C 19 7\n3 D 14 9\n4 E 14 12\n5 F 11 9\n6 G 20 9\n7:28 a.m. 4<\/strong><\/span><\/pre>\n
 Przyk\u0142ad 1: Dodaj pust\u0105 kolumn\u0119 ze spacjami<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak doda\u0107 pust\u0105 kolumn\u0119 ze wszystkimi pustymi warto\u015bciami:<\/span><\/p>\n
 #add empty column\ndf[' blanks<\/span> '] = \"\"\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n  team points assists blanks\n0 to 18 5       \n1 B 22 7       \n2 C 19 7       \n3 D 14 9       \n4 E 14 12       \n5 F 11 9       \n6 G 20 9       \n7:28 a.m. 4<\/span><\/span><\/span><\/strong><\/pre>\n
 Nowa kolumna o nazwie blanks<\/strong> jest wype\u0142niona pustymi warto\u015bciami.<\/span><\/span><\/p>\n
 Przyk\u0142ad 2: Dodaj pust\u0105 kolumn\u0119 z warto\u015bciami NaN<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak doda\u0107 pust\u0105 kolumn\u0119 ze wszystkimi warto\u015bciami NaN:<\/span><\/p>\n
 import<\/span> numpy as<\/span> np<\/span>\n\n#add empty column with NaN values\ndf[' empty<\/span> '] = np. Nope<\/span>\n\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n  team points assists empty\n0 A 18 5 NaN\n1 B 22 7 NaN\n2 C 19 7 NaN\n3 D 14 9 NaN\n4 E 14 12 NaN\n5 F 11 9 NaN\n6 G 20 9 NaN\n7:28 a.m. 4 NaN<\/span><\/span><\/span><\/strong><\/pre>\n
 Nowa kolumna o nazwie pusta<\/b> jest wype\u0142niona warto\u015bciami NaN.<\/span><\/p>\n
 Przyk\u0142ad 3: Dodaj wiele pustych kolumn z warto\u015bciami NaN<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak doda\u0107 wiele pustych kolumn ze wszystkimi warto\u015bciami NaN:<\/span><\/p>\n
 import<\/span> numpy as<\/span> np<\/span>\n\n#add three empty columns with NaN values\ndf[[' empty1<\/span> ', ' empty2<\/span> ', ' empty3<\/span> ']] = np. Nope\n<\/span>\n#view updated DataFrame\n<\/span>print<\/span> (df)\n\n  team points assists empty1 empty2 empty3\n0 to 18 5 NaN NaN NaN\n1 B 22 7 NaN NaN NaN\n2 C 19 7 NaN NaN NaN\n3 D 14 9 NaN NaN NaN\n4 E 14 12 NaN NaN NaN\n5 F 11 9 NaN NaN NaN\n6 G 20 9 NaN NaN NaN\n7:28 A.M. 4 NaN NaN NaN<\/span><\/span><\/span><\/strong><\/pre>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce trzy nowe kolumny s\u0105 wype\u0142nione warto\u015bciami NaN.<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w pandach:<\/span><\/p>\n
 Jak zmieni\u0107 nazwy kolumn w Pandach<\/a>
 Jak doda\u0107 kolumn\u0119 do ramki danych Pandas
 Jak zmieni\u0107 kolejno\u015b\u0107 kolumn w Pandas DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Aby doda\u0107 puste kolumny do ramki DataFrame pandy, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod: Metoda 1: Dodaj pust\u0105 kolumn\u0119 ze spacjami df[’ empty_column ’] = „” Metoda 2: Dodaj pust\u0105 kolumn\u0119 z warto\u015bciami NaN df[’ empty_column ’] = np. Nope Metoda 3: Dodaj wiele pustych kolumn z warto\u015bciami NaN df[[’ empty1 ’, ’ empty2 ’, ’ empty3 […]<\/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-3365","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak doda\u0107 pust\u0105 kolumn\u0119 do Pandas DataFrame (3 przyk\u0142ady) - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak doda\u0107 pust\u0105 kolumn\u0119 do ramki 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\/pandy-dodaja-pusta-kolumne\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak doda\u0107 pust\u0105 kolumn\u0119 do Pandas DataFrame (3 przyk\u0142ady) - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak doda\u0107 pust\u0105 kolumn\u0119 do ramki DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T21:09:51+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-dodaja-pusta-kolumne\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/\",\"name\":\"Jak doda\u0107 pust\u0105 kolumn\u0119 do Pandas DataFrame (3 przyk\u0142ady) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-17T21:09:51+00:00\",\"dateModified\":\"2023-07-17T21:09:51+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak doda\u0107 pust\u0105 kolumn\u0119 do ramki DataFrame pandy, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-dodaja-pusta-kolumne\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak doda\u0107 pust\u0105 kolumn\u0119 do pandas dataframe (3 przyk\u0142ady)\"}]},{\"@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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