{"id":2030,"date":"2023-07-24T00:23:35","date_gmt":"2023-07-24T00:23:35","guid":{"rendered":"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/"},"modified":"2023-07-24T00:23:35","modified_gmt":"2023-07-24T00:23:35","slug":"wyszukiwanie-pandy","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/","title":{"rendered":"Jak wykona\u0107 wyszukaj.pionowo w pandach"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Aby wykona\u0107 WYSZUKAJ.PIONOWO (podobnie jak w programie Excel) w pandach, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>p.d. <span style=\"color: #3366ff;\">merge<\/span> (df1,\n         df2,\n         on = ' <span style=\"color: #ff0000;\">column_name<\/span> ',\n         how = ' <span style=\"color: #ff0000;\">left<\/span> ')\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad krok po kroku pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Krok 1: Utw\u00f3rz dwie ramki danych<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Najpierw zaimportujmy pandy i utw\u00f3rzmy dwie ramki danych 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;\">#define first DataFrame\n<\/span>df1 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">player<\/span> ': ['A', 'B', 'C', 'D', 'E', 'F'],\n                    ' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Mavs', 'Mavs', 'Mavs', 'Nets', 'Nets']})\n\n<span style=\"color: #008080;\">#define second DataFrame\n<\/span>df2 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">player<\/span> ': ['A', 'B', 'C', 'D', 'E', 'F'],\n                    ' <span style=\"color: #ff0000;\">points<\/span> ': [22, 29, 34, 20, 15, 19]})\n\n<span style=\"color: #008080;\">#view df1\n<\/span><span style=\"color: #008000;\">print<\/span> (df1)\n\n  player team\n0 A Mavs\n1 B Mavs\n2C Mavs\n3 D Mavs\n4 E Nets\n5 F Nets\n\n<span style=\"color: #008080;\">#view df2\n<\/span><span style=\"color: #008000;\">print<\/span> (df2)\n\n  player points\n0 to 22\n1 B 29\n2 C 34\n3 D 20\n4 E 15\n5 F 19\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Krok 2: Uruchom funkcj\u0119 WYSZUKAJ.PIONOWO<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Funkcja <strong>WYSZUKAJ.PIONOWO<\/strong> w programie Excel umo\u017cliwia znalezienie warto\u015bci w tabeli poprzez dopasowanie jej do kolumny.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak znale\u017a\u0107 dru\u017cyn\u0119 gracza za pomoc\u0105 <strong>pd.merge()<\/strong> w celu dopasowania nazw graczy mi\u0119dzy dwiema tabelami i zwr\u00f3cenia dru\u017cyny gracza:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#perform VLOOKUP<\/span>\njoined_df = pd. <span style=\"color: #3366ff;\">merge<\/span> (df1,\n                     df2,\n                     we = ' <span style=\"color: #ff0000;\">player<\/span> ',\n                     how = ' <span style=\"color: #ff0000;\">left<\/span> ')\n\n<span style=\"color: #008080;\">#view results\n<\/span>joined_df\n\n\tplayer team points\n0 A Mavs 22\n1 B Mavs 29\n2 C Mavs 34\n3D Mavs 20\n4 E Nets 15\n5 F Nets 19<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce wynikowa ramka DataFrame pand zawiera informacje o graczu, jego dru\u017cynie i zdobytych punktach.<\/span><\/p>\n<p> <span style=\"joined_df = pd.merge(df1, df2, on ='player', how ='left') joined_dfcolor: #000000;\">Pe\u0142n\u0105 dokumentacj\u0119 online funkcji panda <strong>merge()<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.DataFrame.merge.html\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/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 w Pythonie:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\" target=\"_blank\" rel=\"noopener\">Jak tworzy\u0107 tabele przestawne w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/korelacja-w-pythonie\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 korelacj\u0119 w Pythonie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/percentyle-w-pythonie\/\" target=\"_blank\" rel=\"noopener\">Jak obliczy\u0107 percentyle w Pythonie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aby wykona\u0107 WYSZUKAJ.PIONOWO (podobnie jak w programie Excel) w pandach, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: p.d. merge (df1, df2, on = &#8217; column_name &#8217;, how = &#8217; left &#8217;) Poni\u017cszy przyk\u0142ad krok po kroku pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce. Krok 1: Utw\u00f3rz dwie ramki danych Najpierw zaimportujmy pandy i utw\u00f3rzmy dwie ramki danych [&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-2030","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 wykona\u0107 WYSZUKAJ.PIONOWO w Pandach - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak wykona\u0107 WYSZUKAJ.PIONOWO (podobnie jak w programie Excel) w pandach, 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\/wyszukiwanie-pandy\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak wykona\u0107 WYSZUKAJ.PIONOWO w Pandach - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak wykona\u0107 WYSZUKAJ.PIONOWO (podobnie jak w programie Excel) w pandach, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T00:23:35+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\/wyszukiwanie-pandy\/\",\"url\":\"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/\",\"name\":\"Jak wykona\u0107 WYSZUKAJ.PIONOWO w Pandach - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-24T00:23:35+00:00\",\"dateModified\":\"2023-07-24T00:23:35+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak wykona\u0107 WYSZUKAJ.PIONOWO (podobnie jak w programie Excel) w pandach, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/wyszukiwanie-pandy\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak wykona\u0107 wyszukaj.pionowo w pandach\"}]},{\"@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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