{"id":2823,"date":"2023-07-20T13:02:08","date_gmt":"2023-07-20T13:02:08","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/"},"modified":"2023-07-20T13:02:08","modified_gmt":"2023-07-20T13:02:08","slug":"pandy-sprawdzaja-czy-komorka-jest-pusta","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/","title":{"rendered":"Jak sprawdzi\u0107, czy kom\u00f3rka jest pusta w pandas dataframe"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby sprawdzi\u0107, czy konkretna kom\u00f3rka jest pusta w ramce danych pandy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check if value in first row of column 'A' is empty<\/span>\n<span style=\"color: #008000;\">print<\/span> (pd. <span style=\"color: #3366ff;\">isnull<\/span> (df. <span style=\"color: #3366ff;\">loc<\/span> [0, 'A']))\n\n<span style=\"color: #008080;\">#print value in first row of column 'A'<\/span>\n<span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.loc<\/span> [0, 'A'])\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Sprawd\u017a, czy kom\u00f3rka jest pusta w Pandas DataFrame<\/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<span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [18, np.nan, 19, 14, 14, 11, 20, 28],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [5, 7, 7, 9, np.nan, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, np.nan]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points assists rebounds\n0 A 18.0 5.0 11.0\n1 B NaN 7.0 8.0\n2 C 19.0 7.0 10.0\n3D 14.0 9.0 6.0\n4 E 14.0 NaN 6.0\n5 F 11.0 9.0 5.0\n6G 20.0 9.0 9.0\n7H 28.0 4.0 NaN\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby sprawdzi\u0107, czy warto\u015b\u0107 <strong>pierwszego<\/strong> indeksu wiersza i <strong>punkt\u00f3w<\/strong> kolumny wynosi zero:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check if value in index row 1 of column 'points' is empty<\/span>\n<span style=\"color: #008000;\">print<\/span> (pd. <span style=\"color: #3366ff;\">isnull<\/span> (df. <span style=\"color: #3366ff;\">loc<\/span> [1, 'points']))\n\nTrue<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Warto\u015b\u0107 <strong>True<\/strong> wskazuje, \u017ce warto\u015b\u0107 w pierwszym wierszu kolumny \u201epunkty\u201d jest rzeczywi\u015bcie pusta.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy r\u00f3wnie\u017c u\u017cy\u0107 poni\u017cszego kodu, aby wydrukowa\u0107 rzeczywist\u0105 warto\u015b\u0107 w pierwszym wierszu kolumny \u201epunkty\u201d:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#print value in index row 1 of column 'points'<\/span>\n<span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.loc<\/span> [1, 'points'])\n\nNope<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dane wyj\u015bciowe m\u00f3wi\u0105 nam, \u017ce warto\u015b\u0107 w pierwszym wierszu kolumny \u201epunkty\u201d to <strong>nan<\/strong> , co odpowiada pustej kom\u00f3rce.<\/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\/ustawiona-wartosc-pandy\/\" target=\"_blank\" rel=\"noopener\">Jak ustawi\u0107 warto\u015b\u0107 okre\u015blonej kom\u00f3rki w Pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/ramka-danych-pand-pobiera-wartosc-komorki\/\" target=\"_blank\" rel=\"noopener\">Jak uzyska\u0107 warto\u015b\u0107 kom\u00f3rek w pandach<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/pandy-zamien-nan-na-zero\/\" target=\"_blank\" rel=\"noopener\">Jak zamieni\u0107 warto\u015bci NaN na zero w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby sprawdzi\u0107, czy konkretna kom\u00f3rka jest pusta w ramce danych pandy: #check if value in first row of column 'A&#8217; is empty print (pd. isnull (df. loc [0, 'A&#8217;])) #print value in first row of column 'A&#8217; print ( df.loc [0, 'A&#8217;]) Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 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-2823","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>Jak sprawdzi\u0107, czy kom\u00f3rka jest pusta w Pandas DataFrame - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak sprawdzi\u0107, czy okre\u015blona kom\u00f3rka w ramce DataFrame pandy jest pusta.\" \/>\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-sprawdzaja-czy-komorka-jest-pusta\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak sprawdzi\u0107, czy kom\u00f3rka jest pusta w Pandas DataFrame - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak sprawdzi\u0107, czy okre\u015blona kom\u00f3rka w ramce DataFrame pandy jest pusta.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T13:02:08+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=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/\",\"name\":\"Jak sprawdzi\u0107, czy kom\u00f3rka jest pusta w Pandas DataFrame - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-20T13:02:08+00:00\",\"dateModified\":\"2023-07-20T13:02:08+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, wraz z przyk\u0142adami, jak sprawdzi\u0107, czy okre\u015blona kom\u00f3rka w ramce DataFrame pandy jest pusta.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-sprawdzaja-czy-komorka-jest-pusta\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak sprawdzi\u0107, czy kom\u00f3rka jest pusta w pandas dataframe\"}]},{\"@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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