{"id":3029,"date":"2023-07-19T13:53:40","date_gmt":"2023-07-19T13:53:40","guid":{"rendered":"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/"},"modified":"2023-07-19T13:53:40","modified_gmt":"2023-07-19T13:53:40","slug":"i-panda-vengono-ordinati-in-ordine-alfabetico","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/","title":{"rendered":"Panda: come ordinare i dataframes in ordine alfabetico"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare i seguenti metodi per ordinare alfabeticamente le righe di un DataFrame panda:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metodo 1: ordinare per colonna in ordine alfabetico<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort A to Z<\/span>\ndf. <span style=\"color: #3366ff;\">sort_values<\/span> (' <span style=\"color: #ff0000;\">column1<\/span> ')\n<span style=\"color: #008080;\">\n#sort Z to A<\/span>\ndf. <span style=\"color: #3366ff;\">sort_values<\/span> (' <span style=\"color: #ff0000;\">column1<\/span> ', ascending= <span style=\"color: #008000;\">False <span style=\"color: #000000;\">)<\/span><\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metodo 2: ordinare in ordine alfabetico per pi\u00f9 colonne<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort by column1 from Z to A, then by column2 from A to Z<\/span>\ndf. <span style=\"color: #3366ff;\">sort_values<\/span> ([' <span style=\"color: #ff0000;\">column1<\/span> ', ' <span style=\"color: #ff0000;\">column2<\/span> '], ascending=( <span style=\"color: #008000;\">False<\/span> , <span style=\"color: #008000;\">True<\/span> ))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">L&#8217;esempio seguente mostra come utilizzare ciascun metodo nella pratica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 1: ordinamento alfabetico per colonna<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Supponiamo di avere i seguenti panda DataFrame:<\/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 style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Spurs', 'Lakers', 'Nuggets', 'Hawks'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [120, 108, 99, 104, 115]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n      team points\n0 Mavs 120\n1 Spurs 108\n2 Lakers 99\n3 Nuggets 104\n4 Hawks 115<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare la seguente sintassi per ordinare le righe del DataFrame in base al nome della squadra dalla <strong>A alla Z<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort by team name A to Z<span style=\"color: #000000;\">\ndf_sorted = df. <span style=\"color: #3366ff;\">sort_values<\/span> (' <span style=\"color: #ff0000;\">team<\/span> ')\n\n<span style=\"color: #008080;\">#view sorted DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df_sorted)\n\n      team points\n4 Hawks 115\n2 Lakers 99\n0 Mavs 120\n3 Nuggets 104\n1 Spurs 108<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tieni presente che le righe ora sono ordinate in base al nome della squadra AZ.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Potremmo anche ordinare dalla <strong>Z alla A<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort by team name Z to A<span style=\"color: #000000;\">\ndf_sorted = df. <span style=\"color: #3366ff;\">sort_values<\/span> (' <span style=\"color: #ff0000;\">team<\/span> ', ascending= <span style=\"color: #008000;\">False<\/span> )\n\n<span style=\"color: #008080;\">#view sorted DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df_sorted)\n\n      team points\n1 Spurs 108\n3 Nuggets 104\n0 Mavs 120\n2 Lakers 99\n4 Hawks 115<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">E potremmo anche utilizzare la funzione <strong>reset_index()<\/strong> per reimpostare i valori dell&#8217;indice nel DataFrame ordinato:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort by team name A to Z and reset index<span style=\"color: #000000;\">\ndf_sorted = df. <span style=\"color: #3366ff;\">sort_values<\/span> (' <span style=\"color: #ff0000;\">team<\/span> '). <span style=\"color: #3366ff;\">reset_index<\/span> (drop= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view sorted DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df_sorted)\n\n      team points\n0 Hawks 115\n1 Lakers 99\n2 Mavs 120\n3 Nuggets 104\n4 Spurs 108\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 2: ordinamento alfabetico per pi\u00f9 colonne<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Supponiamo di avere i seguenti panda DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><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;\">conference<\/span> ': ['West', 'West', 'West', 'East', 'East'],\n                   ' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Spurs', 'Lakers', 'Heat', 'Hawks'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [120, 108, 99, 104, 115]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  conference team points\n0 West Mavs 120\n1 West Spurs 108\n2 West Lakers 99\n3 East Heat 104\n4 East Hawks 115\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi per ordinare le righe del DataFrame per nome della conferenza dalla A alla Z, quindi per nome del team dalla Z alla A:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#sort by conference name A to Z, then by team name Z to A<span style=\"color: #000000;\">\ndf_sorted = df. <span style=\"color: #3366ff;\">sort_values<\/span> ([' <span style=\"color: #ff0000;\">conference<\/span> ', ' <span style=\"color: #ff0000;\">team<\/span> '], ascending=( <span style=\"color: #008000;\">True<\/span> , <span style=\"color: #008000;\">False<\/span> ))\n\n<span style=\"color: #008080;\">#view sorted DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df_sorted)\n\n  conference team points\n3 East Heat 104\n4 East Hawks 115\n1 West Spurs 108\n0 West Mavs 120\n2 West Lakers 99\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Le righe sono ordinate per nome della conferenza AZ, quindi per nome della squadra ZA.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : puoi trovare la documentazione completa della funzione <strong>sort_values()<\/strong> di panda <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.DataFrame.sort_values.html\" target=\"_blank\" rel=\"noopener\">qui<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come eseguire altre operazioni comuni nei panda:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/panda-ordina-per-data\/\" target=\"_blank\" rel=\"noopener\">Panda: come ordinare per data<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/i-panda-ordinano-le-colonne-per-nome\/\" target=\"_blank\" rel=\"noopener\">Panda: come ordinare le colonne per nome<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/panda-ordina-per-indice-e-colonna\/\" target=\"_blank\" rel=\"noopener\">Panda: come ordinare sia per indice che per colonna<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare i seguenti metodi per ordinare alfabeticamente le righe di un DataFrame panda: Metodo 1: ordinare per colonna in ordine alfabetico #sort A to Z df. sort_values (&#8216; column1 &#8216;) #sort Z to A df. sort_values (&#8216; column1 &#8216;, ascending= False ) Metodo 2: ordinare in ordine alfabetico per pi\u00f9 colonne #sort by [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Panda: come ordinare i DataFrames in ordine alfabetico - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come ordinare un DataFrame Panda in ordine alfabetico, con diversi esempi.\" \/>\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\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Panda: come ordinare i DataFrames in ordine alfabetico - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come ordinare un DataFrame Panda in ordine alfabetico, con diversi esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T13:53:40+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/\",\"url\":\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/\",\"name\":\"Panda: come ordinare i DataFrames in ordine alfabetico - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-19T13:53:40+00:00\",\"dateModified\":\"2023-07-19T13:53:40+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come ordinare un DataFrame Panda in ordine alfabetico, con diversi esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/i-panda-vengono-ordinati-in-ordine-alfabetico\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Panda: come ordinare i dataframes in ordine alfabetico\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/it\/#website\",\"url\":\"https:\/\/statorials.org\/it\/\",\"name\":\"Statorials\",\"description\":\"La tua guida all&#039;alfabetizzazione statistica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Ciao, sono Benjamin, un professore di statistica in pensione diventato insegnante dedicato di Statorials. 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