{"id":1922,"date":"2023-07-24T10:45:57","date_gmt":"2023-07-24T10:45:57","guid":{"rendered":"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/"},"modified":"2023-07-24T10:45:57","modified_gmt":"2023-07-24T10:45:57","slug":"pandy-otrzymuja-indeks-wiersza","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/","title":{"rendered":"Pandy: pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby uzyska\u0107 indeks wierszy w ramce danych pandy, kt\u00f3rej kolumna pasuje do okre\u015blonych warto\u015bci:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">index<\/span> [df[' <span style=\"color: #ff0000;\">column_name<\/span> ']== <span style=\"color: #008000;\">value<\/span> ]. <span style=\"color: #3366ff;\">tolist<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce u\u017cywa\u0107 tej sk\u0142adni z nast\u0119puj\u0105c\u0105 ramk\u0105 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\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'B', 'B', 'C', 'C', 'D'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\nteam points rebounds\n0 to 5 11\n1 to 7 8\n2 to 7 10\n3 B 9 6\n4 B 12 6\n5 C 9 5\n6 C 9 9\n7 D 4 12\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: Pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak uzyska\u0107 indeks wierszy z kolumn\u0105 r\u00f3wn\u0105 okre\u015blonej warto\u015bci:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#get index of rows where 'points' column is equal to 7\n<\/span>df. <span style=\"color: #3366ff;\">index<\/span> [df[' <span style=\"color: #ff0000;\">points<\/span> ']== <span style=\"color: #008000;\">7<\/span> ]. <span style=\"color: #3366ff;\">tolist<\/span> ()\n\n[1, 2]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">M\u00f3wi nam to, \u017ce wiersze z warto\u015bciami indeksu <strong>1<\/strong> i <strong>2<\/strong> maj\u0105 w kolumnie punkt\u00f3w warto\u015b\u0107 \u201e7\u201d.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Zauwa\u017c, \u017ce mo\u017cemy r\u00f3wnie\u017c u\u017cy\u0107 operator\u00f3w mniejszy i wi\u0119kszy ni\u017c, aby znale\u017a\u0107 indeks wierszy, w kt\u00f3rych kolumna jest mniejsza lub wi\u0119ksza od okre\u015blonej warto\u015bci:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#get index of rows where 'points' column is greater than 7\n<\/span>df. <span style=\"color: #3366ff;\">index<\/span> [df[' <span style=\"color: #ff0000;\">points<\/span> '] &gt; <span style=\"color: #008000;\">7<\/span> ]. <span style=\"color: #3366ff;\">tolist<\/span> ()\n\n[3, 4, 5, 6]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">M\u00f3wi nam to, \u017ce wiersze o warto\u015bciach indeks\u00f3w <strong>3<\/strong> , <strong>4<\/strong> , <strong>5<\/strong> i <strong>6<\/strong> maj\u0105 w kolumnie punkt\u00f3w warto\u015b\u0107 wi\u0119ksz\u0105 ni\u017c \u201e7\u201d.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: Pobierz indeks wierszy, kt\u00f3rych kolumna pasuje do ci\u0105gu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak uzyska\u0107 indeks wierszy, w kt\u00f3rych kolumna jest r\u00f3wna okre\u015blonemu ci\u0105gowi znak\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#get index of rows where 'team' column is equal to 'B'\n<\/span>df. <span style=\"color: #3366ff;\">index<\/span> [df[' <span style=\"color: #ff0000;\">team<\/span> ']==' <span style=\"color: #ff0000;\">B<\/span> ']. <span style=\"color: #3366ff;\">tolist<\/span> ()\n\n[3, 4]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">M\u00f3wi nam to, \u017ce wiersze z warto\u015bciami indeksu <strong>3<\/strong> i <strong>4<\/strong> maj\u0105 w kolumnie zesp\u00f3\u0142 warto\u015b\u0107 \u201eB\u201d.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 3: Uzyskaj indeks wiersza z wieloma warunkami<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak uzyska\u0107 indeks wierszy, w kt\u00f3rych warto\u015bci wielu kolumn spe\u0142niaj\u0105 okre\u015blone warunki:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#get index of rows where 'points' is equal to 7 <em>or<\/em> 12\n<\/span>df. <span style=\"color: #3366ff;\">index<\/span> [(df[' <span style=\"color: #ff0000;\">points<\/span> ']== <span style=\"color: #008000;\">7<\/span> ) | (df[' <span style=\"color: #ff0000;\">points<\/span> ']== <span style=\"color: #008000;\">12<\/span> )]. <span style=\"color: #3366ff;\">tolist<\/span> ()\n\n[1, 2, 4]\n\n<span style=\"color: #008080;\">#get index of rows where 'points' is equal to 9 <i>and<\/i> 'team' is equal to 'B'\n<\/span>df. <span style=\"color: #3366ff;\">index<\/span> [(df[' <span style=\"color: #ff0000;\">points<\/span> ']== <span style=\"color: #008000;\">9<\/span> ) &amp; (df[' <span style=\"color: #ff0000;\">team<\/span> ']==' <span style=\"color: #ff0000;\">B<\/span> ')]. <span style=\"color: #3366ff;\">tolist<\/span> ()\n\n[3]<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pl\/ramka-danych-pand-pobiera-wartosc-komorki\/\" target=\"_blank\" rel=\"noopener\">Jak uzyska\u0107 warto\u015b\u0107 kom\u00f3rki z Pandas DataFrame<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/zmien-nazwe-indeksu-pand\/\" target=\"_blank\" rel=\"noopener\">Jak zmieni\u0107 nazw\u0119 indeksu w Pandas DataFrame<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/pandy-sortuja-kolumny-wed\u0142ug-nazwy\/\" target=\"_blank\" rel=\"noopener\">Jak sortowa\u0107 kolumny wed\u0142ug nazwy w Pandach<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby uzyska\u0107 indeks wierszy w ramce danych pandy, kt\u00f3rej kolumna pasuje do okre\u015blonych warto\u015bci: df. index [df[&#8217; column_name &#8217;]== value ]. tolist () Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce u\u017cywa\u0107 tej sk\u0142adni z nast\u0119puj\u0105c\u0105 ramk\u0105 DataFrame pand: import pandas as pd #createDataFrame df = pd. DataFrame ({&#8217; team &#8217;: [&#8217;A&#8217;, 'A&#8217;, [&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-1922","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>Pandy: pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak uzyska\u0107 indeksy wierszy ramki DataFrame pandy, kt\u00f3rej kolumna odpowiada okre\u015blonej warto\u015bci.\" \/>\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-otrzymuja-indeks-wiersza\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandy: pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak uzyska\u0107 indeksy wierszy ramki DataFrame pandy, kt\u00f3rej kolumna odpowiada okre\u015blonej warto\u015bci.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T10:45:57+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-otrzymuja-indeks-wiersza\/\",\"url\":\"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/\",\"name\":\"Pandy: pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-24T10:45:57+00:00\",\"dateModified\":\"2023-07-24T10:45:57+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak uzyska\u0107 indeksy wierszy ramki DataFrame pandy, kt\u00f3rej kolumna odpowiada okre\u015blonej warto\u015bci.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/pandy-otrzymuja-indeks-wiersza\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandy: pobierz indeks wierszy, kt\u00f3rych kolumna odpowiada warto\u015bci\"}]},{\"@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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