{"id":3369,"date":"2023-07-17T20:56:06","date_gmt":"2023-07-17T20:56:06","guid":{"rendered":"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/"},"modified":"2023-07-17T20:56:06","modified_gmt":"2023-07-17T20:56:06","slug":"grafico-a-barre-in-pila-panda","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/","title":{"rendered":"Come creare un grafico a barre in pila in pandas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi di base per creare un grafico a barre in pila in Pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">groupby<\/span> ([' <span style=\"color: #ff0000;\">var1<\/span> ', ' <span style=\"color: #ff0000;\">var2<\/span> ']). <span style=\"color: #3366ff;\">size<\/span> (). <span style=\"color: #3366ff;\">unstack<\/span> (). <span style=\"color: #3366ff;\">plot<\/span> (kind=' <span style=\"color: #ff0000;\">bar<\/span> ', stacked= <span style=\"color: #008000;\">True<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Esempio: crea un grafico a barre in pila in Pandas<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente DataFrame panda che contiene informazioni su vari giocatori di basket:<\/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', 'A', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">position<\/span> ': ['G', 'G', 'F', 'F', 'G', 'F', 'F', 'F'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  team position points\n0 AG 5\n1 AG 7\n2AF 7\n3 AF 9\n4 BG 12\n5 BF 9\n6 BF 9\n7 BF 4<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare il seguente codice per creare un grafico a barre in pila che mostri il numero totale di <strong>posizioni<\/strong> , raggruppate per <strong>squadra<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>df. <span style=\"color: #3366ff;\">groupby<\/span> ([' <span style=\"color: #ff0000;\">team<\/span> ', ' <span style=\"color: #ff0000;\">position<\/span> ']). <span style=\"color: #3366ff;\">size<\/span> (). <span style=\"color: #3366ff;\">unstack<\/span> (). <span style=\"color: #3366ff;\">plot<\/span> (kind=' <span style=\"color: #ff0000;\">bar<\/span> ', stacked= <span style=\"color: #008000;\">True<\/span> )\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28282 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/empile1.jpg\" alt=\"\" width=\"566\" height=\"380\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">L&#8217;asse x mostra il nome <strong>della squadra<\/strong> e l&#8217;asse y mostra il numero totale di <strong>posizioni<\/strong> per ciascuna squadra.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sul tabellone possiamo vedere che la squadra A ha <strong>2<\/strong> guardie (G) e <strong>2<\/strong> attaccanti (F) mentre la squadra <strong>B<\/strong> ha 1 guardia e <strong>3<\/strong> attaccanti.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Puoi anche utilizzare gli argomenti <strong>colore<\/strong> e <strong>titolo<\/strong> per modificare il colore delle barre e aggiungere un titolo al grafico:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>df. <span style=\"color: #3366ff;\">groupby<\/span> ([' <span style=\"color: #ff0000;\">team<\/span> ', ' <span style=\"color: #ff0000;\">position<\/span> ']). <span style=\"color: #3366ff;\">size<\/span> (). <span style=\"color: #3366ff;\">unstack<\/span> (). <span style=\"color: #3366ff;\">plot<\/span> (kind=' <span style=\"color: #ff0000;\">bar<\/span> ', stacked= <span style=\"color: #008000;\">True<\/span> ,\n            color=[' <span style=\"color: #ff0000;\">steelblue<\/span> ',' <span style=\"color: #ff0000;\">pink<\/span> '], title=' <span style=\"color: #ff0000;\">Position Count by Team<\/span> ')\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-28283\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/empile2.jpg\" alt=\"grafico a barre in pila nei panda\" width=\"589\" height=\"411\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">\u00c8 stato aggiunto un titolo nella parte superiore della trama e i colori delle barre sono stati cambiati in blu acciaio e rosa, come specificato.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come creare altri grafici comuni in Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/mappa-termica-python\/\" target=\"_blank\" rel=\"noopener\">Come creare mappe di calore in Python<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/pitone-curva-a-campana\/\" target=\"_blank\" rel=\"noopener\">Come creare una curva a campana in Python<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/testata-pitone\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico a ogiva in Python<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare la seguente sintassi di base per creare un grafico a barre in pila in Pandas: df. groupby ([&#8216; var1 &#8216;, &#8216; var2 &#8216;]). size (). unstack (). plot (kind=&#8217; bar &#8216;, stacked= True ) L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica. Esempio: crea un grafico a barre in pila in [&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>Come creare un grafico a barre in pila in Pandas \u2013 Stology<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come creare un grafico a barre in pila in Pandas, con un esempio.\" \/>\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\/grafico-a-barre-in-pila-panda\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come creare un grafico a barre in pila in Pandas \u2013 Stology\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come creare un grafico a barre in pila in Pandas, con un esempio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T20:56:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/empile1.jpg\" \/>\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\/grafico-a-barre-in-pila-panda\/\",\"url\":\"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/\",\"name\":\"Come creare un grafico a barre in pila in Pandas \u2013 Stology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-17T20:56:06+00:00\",\"dateModified\":\"2023-07-17T20:56:06+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come creare un grafico a barre in pila in Pandas, con un esempio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/grafico-a-barre-in-pila-panda\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come creare un grafico a barre in pila in pandas\"}]},{\"@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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