{"id":1364,"date":"2023-07-26T16:55:43","date_gmt":"2023-07-26T16:55:43","guid":{"rendered":"https:\/\/statorials.org\/it\/trama-marina\/"},"modified":"2023-07-26T16:55:43","modified_gmt":"2023-07-26T16:55:43","slug":"trama-marina","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/trama-marina\/","title":{"rendered":"Come creare barplot con seaborn (con esempi)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Un <strong>barplot<\/strong> \u00e8 un tipo di grafico che mostra i valori numerici di diverse variabili categoriali.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Questo tutorial spiega come creare mappe di calore utilizzando la libreria di visualizzazione Python <a href=\"https:\/\/seaborn.pydata.org\/index.html\" target=\"_blank\" rel=\"noopener\">Seaborn<\/a> con il set di dati <strong>dei suggerimenti<\/strong> integrato:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> seaborn <span style=\"color: #107d3f;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#load <em>tips<\/em> dataset<\/span>\ndata = sns. <span style=\"color: #3366ff;\">load_dataset<\/span> (\u201c <span style=\"color: #008000;\">tips<\/span> \u201d)\n<span style=\"color: #008080;\">\n#view first five rows of <em>tips<\/em> dataset\n<\/span>data. <span style=\"color: #3366ff;\">head<\/span> ()\n\ntotal_bill tip sex smoker day time size\n0 16.99 1.01 Female No Sun Dinner 2\n1 10.34 1.66 Male No Sun Dinner 3\n2 21.01 3.50 Male No Sun Dinner 3\n3 23.68 3.31 Male No Sun Dinner 2\n4 24.59 3.61 Female No Sun Dinner 4<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Crea un grafico a barre di base<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">La seguente sintassi mostra come creare un semplice grafico a barre che visualizza l&#8217;ora del giorno lungo l&#8217;asse x e il picco medio lungo l&#8217;asse y:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">time<\/span> \", y=\" <span style=\"color: #008000;\">tip<\/span> \", data=data)\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13539 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot1.png\" alt=\"Esempio di barplot Seaborn\" width=\"381\" height=\"255\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Il grafico a barre mostra l&#8217;errore standard della media per ogni barra per impostazione predefinita, ma possiamo disattivarli utilizzando l&#8217;argomento <strong>ci=None<\/strong> come segue:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">time<\/span> \", y=\" <span style=\"color: #008000;\">tip<\/span> \", data=data, ci= <span style=\"color: #008000;\">None<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13540 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot2.png\" alt=\"Barplot Seaborn senza barre di errore\" width=\"390\" height=\"263\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <strong>Ordina le barre nel Barplot<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare l&#8217;argomento <strong>order<\/strong> per posizionare rapidamente le barre in un determinato ordine:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">time<\/span> \", y=\" <span style=\"color: #008000;\">tip<\/span> \", data=data, order=[\" <span style=\"color: #008000;\">Dinner<\/span> \", \" <span style=\"color: #008000;\">Lunch<\/span> \"])<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13541 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot3.png\" alt=\"Ordina le barre in un barplot marino\" width=\"407\" height=\"276\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Crea un grafico a barre raggruppato<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Possiamo creare un barplot raggruppato utilizzando l&#8217;argomento <strong>hue<\/strong> . Ad esempio, possiamo utilizzare la seguente sintassi per visualizzare la mancia media raggruppata per giorno e sesso:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">time<\/span> \", y=\" <span style=\"color: #008000;\">tip<\/span> \", hue=\" <span style=\"color: #008000;\">sex<\/span> \", data=data)<\/strong> <\/pre>\n<h3><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13542 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot4.png\" alt=\"Barplot raggruppato con Seaborn in Python\" width=\"412\" height=\"278\" srcset=\"\" sizes=\"\"><\/h3>\n<h3> <span style=\"color: #000000;\"><strong>Crea un grafico a barre orizzontale<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Per creare un grafico a barre orizzontale, passa semplicemente una variabile categoriale all&#8217;argomento <strong>y<\/strong> e una variabile numerica all&#8217;argomento <strong>x<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">tip <span style=\"color: #000000;\">\", y=\" <span style=\"color: #008000;\">time<\/span> \", data=data)<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13543\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot5.png\" alt=\"Barplot orizzontale di Seaborn\" width=\"430\" height=\"276\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cambia i colori del grafico Barplot<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Possiamo usare l&#8217;argomento <strong>palette<\/strong> per passare un elenco di colori da utilizzare per le barre del barplot:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">barplot<\/span> (x=\" <span style=\"color: #008000;\">tip <span style=\"color: #000000;\">\", y=\" <span style=\"color: #008000;\">time<\/span> \", palette=[\" <span style=\"color: #008000;\">pink<\/span> \", \" <span style=\"color: #008000;\">green<\/span> \"], data=data)<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13545\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot6.png\" alt=\"Barplot Seaborn con elenco specifico dei colori\" width=\"435\" height=\"287\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Risorse addizionali<\/span><\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come creare altre carte comuni in Seaborn:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/mappa-delle-aree-marine\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico ad area in Seaborn<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/cronologia-dei-nati-sul-mare\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico di serie temporali in Seaborn<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/camembert-marino\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico a torta in Seaborn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un barplot \u00e8 un tipo di grafico che mostra i valori numerici di diverse variabili categoriali. Questo tutorial spiega come creare mappe di calore utilizzando la libreria di visualizzazione Python Seaborn con il set di dati dei suggerimenti integrato: import seaborn as sns #load tips dataset data = sns. load_dataset (\u201c tips \u201d) #view first [&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 Barplot con Seaborn (con esempi)<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come creare barplot con Seaborn in Python, 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\/trama-marina\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come creare Barplot con Seaborn (con esempi)\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come creare barplot con Seaborn in Python, con diversi esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/trama-marina\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T16:55:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_barplot1.png\" \/>\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\/trama-marina\/\",\"url\":\"https:\/\/statorials.org\/it\/trama-marina\/\",\"name\":\"Come creare Barplot con Seaborn (con esempi)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-26T16:55:43+00:00\",\"dateModified\":\"2023-07-26T16:55:43+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come creare barplot con Seaborn in Python, con diversi esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/trama-marina\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/trama-marina\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/trama-marina\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come creare barplot con seaborn (con esempi)\"}]},{\"@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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