{"id":4256,"date":"2023-07-12T12:10:31","date_gmt":"2023-07-12T12:10:31","guid":{"rendered":"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/"},"modified":"2023-07-12T12:10:31","modified_gmt":"2023-07-12T12:10:31","slug":"media-del-boxplot-di-seaborn","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/","title":{"rendered":"Seaborn: come visualizzare il valore medio su un boxplot"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Puoi utilizzare l&#8217;argomento <strong>showmeans<\/strong> per visualizzare il valore medio nei boxplot creati utilizzando seaborn:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">boxplot<\/span> (data=df, x=' <span style=\"color: #ff0000;\">x_var<\/span> ', y=' <span style=\"color: #ff0000;\">y_var<\/span> ', showmeans= <span style=\"color: #008000;\">True<\/span> )<\/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: mostra il valore medio sul boxplot Seaborn<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente DataFrame panda che mostra i punti segnati dai giocatori di basket di tre squadre diverse:<\/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', 'A', 'B', 'B', 'B',\n                            'B', 'B', 'C', 'C', 'C', 'C', 'C'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [3, 4, 6, 8, 9, 10, 13, 16, 18, 20, 8, 9, 12, 13, 15]})\n\n<span style=\"color: #008080;\">#view head of DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.head<\/span> ())\n\n  team points\n0 to 3\n1 to 4\n2 to 6\n3 to 8\n4 to 9\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare il seguente codice per creare boxplot per visualizzare la distribuzione dei punti per ciascuna squadra:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create boxplot to visualize distribution points by team\n<\/span>sns. <span style=\"color: #3366ff;\">boxplot<\/span> (data=df, x=' <span style=\"color: #ff0000;\">team<\/span> ', y=' <span style=\"color: #ff0000;\">points<\/span> ')\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33596 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/showmean1.jpg\" alt=\"\" width=\"511\" height=\"381\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Per impostazione predefinita, i boxplot visualizzano il valore mediano utilizzando una linea orizzontale all&#8217;interno di ciascun boxplot.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per visualizzare il valore medio di ciascun boxplot, \u00e8 necessario specificare <strong>showmeans=True<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create boxplot to visualize points distribution by team (and display mean values)\n<\/span>sns. <span style=\"color: #3366ff;\">boxplot<\/span> (data=df, x=' <span style=\"color: #ff0000;\">team<\/span> ', y=' <span style=\"color: #ff0000;\">points<\/span> ', showmeans= <span style=\"color: #008000;\">True<\/span> )<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33597 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/showmean2.jpg\" alt=\"\" width=\"508\" height=\"380\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Per impostazione predefinita, seaborn utilizza triangoli verdi per visualizzare il valore medio di ciascun boxplot.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per personalizzare l&#8217;aspetto del valore medio, sentiti libero di utilizzare l&#8217;argomento <strong>Meanprops<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#create boxplot to visualize distribution points by team\n<\/span>sns. <span style=\"color: #3366ff;\">boxplot<\/span> (data=df, x=' <span style=\"color: #ff0000;\">team<\/span> ', y=' <span style=\"color: #ff0000;\">points<\/span> ', showmeans= <span style=\"color: #008000;\">True<\/span> ,\n            meanprops={' <span style=\"color: #ff0000;\">marker<\/span> ':' <span style=\"color: #ff0000;\">o<\/span> ',\n                       ' <span style=\"color: #ff0000;\">markerfacecolor<\/span> ': ' <span style=\"color: #ff0000;\">white<\/span> ', \n                       ' <span style=\"color: #ff0000;\">markeredgecolor<\/span> ': ' <span style=\"color: #ff0000;\">black<\/span> ',\n                       ' <span style=\"color: #ff0000;\">markersize<\/span> ': ' <span style=\"color: #ff0000;\">8<\/span> '})<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33598 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/showmean3.jpg\" alt=\"\" width=\"522\" height=\"394\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">I valori medi vengono ora visualizzati come cerchi bianchi con un contorno nero.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sentiti libero di giocare con i valori degli argomenti <strong>Meanprops<\/strong> per cambiare l&#8217;aspetto dei valori medi nei boxplot.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : puoi trovare la documentazione completa per la funzione seaborn <strong>boxplot()<\/strong> <a href=\"https:\/\/seaborn.pydata.org\/generated\/seaborn.boxplot.html\" target=\"_blank\" rel=\"noopener\">qui<\/a> .<\/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 eseguire altre funzioni comuni in Seaborn:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/colore-dei-baffi-della-scatola-di-seaborn\/\" target=\"_blank\" rel=\"noopener\">Come controllare i colori in Seaborn Boxplot<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/boxplot-rimuovere-valori-anomali\/\" target=\"_blank\" rel=\"noopener\">Come rimuovere i valori anomali da un boxplot Seaborn<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/ordine-del-boxplot-x-asse-di-seaborn\/\" target=\"_blank\" rel=\"noopener\">Come ordinare boxplot sull&#8217;asse x in Seaborn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Puoi utilizzare l&#8217;argomento showmeans per visualizzare il valore medio nei boxplot creati utilizzando seaborn: sns. boxplot (data=df, x=&#8217; x_var &#8216;, y=&#8217; y_var &#8216;, showmeans= True ) L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica. Esempio: mostra il valore medio sul boxplot Seaborn Supponiamo di avere il seguente DataFrame panda che mostra i punti segnati [&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>Seaborn: Come visualizzare il valore medio su un boxplot - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come visualizzare una media su un boxplot in Seaborn, 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\/media-del-boxplot-di-seaborn\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seaborn: Come visualizzare il valore medio su un boxplot - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come visualizzare una media su un boxplot in Seaborn, con un esempio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T12:10:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/showmean1.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\/media-del-boxplot-di-seaborn\/\",\"url\":\"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/\",\"name\":\"Seaborn: Come visualizzare il valore medio su un boxplot - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-12T12:10:31+00:00\",\"dateModified\":\"2023-07-12T12:10:31+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come visualizzare una media su un boxplot in Seaborn, con un esempio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/media-del-boxplot-di-seaborn\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Seaborn: come visualizzare il valore medio su un boxplot\"}]},{\"@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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