{"id":4154,"date":"2023-07-13T06:00:11","date_gmt":"2023-07-13T06:00:11","guid":{"rendered":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/"},"modified":"2023-07-13T06:00:11","modified_gmt":"2023-07-13T06:00:11","slug":"istogramma-panda-per-ogni-colonna","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/","title":{"rendered":"Panda: crea un istogramma per ogni colonna in dataframe"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi di base per creare un istogramma per ciascuna colonna di un DataFrame panda:<\/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<span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define number of subplots<\/span>\nfig, axis = plt. <span style=\"color: #3366ff;\">subplots<\/span> <span style=\"color: #000000;\">(1, 3)<\/span>\n\n<span style=\"color: #008080;\">#create histogram for each column in DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">hist<\/span> (ax=axis)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Questo particolare esempio utilizza la funzione <strong>subplots()<\/strong> per specificare che ci sono <strong>3<\/strong> colonne nel DataFrame, quindi crea un istogramma per ciascuna colonna.<\/span><\/p>\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 istogramma per ogni colonna nell&#8217;istogramma di Panda<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente DataFrame panda che contiene tre colonne:<\/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<span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">\n#make this example reproducible\n<\/span>n.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">points<\/span> ': np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">normal<\/span> (loc=20, scale=2, size=300),\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">normal<\/span> (loc=14, scale=3, size=300),\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">normal<\/span> (loc=12, scale=1, size=300)})\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      points assists rebounds\n0 23.248691 20.197350 10.927036\n1 18.776487 9.586529 12.495159\n2 18.943656 11.509484 11.047938\n3 17.854063 11.358267 11.481854\n4 21.730815 13.162707 10.538596\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Possiamo utilizzare la seguente sintassi per creare un istogramma per ciascuna delle tre colonne del DataFrame:<\/span><\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt<\/span>\n\n#define format for subplots (1 row and 3 columns)\n<\/span>fig, axis = plt. <span style=\"color: #3366ff;\">subplots<\/span> (1, 3)\n\n<span style=\"color: #008080;\">#create histogram for each column in DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">hist<\/span> (ax=axis)\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-32984 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/ac1.png\" alt=\"\" width=\"529\" height=\"408\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Il risultato \u00e8 una griglia con una riga e tre colonne che visualizza un istogramma per ciascuna colonna del DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se lo desideri, puoi utilizzare l&#8217;argomento <strong>figsize<\/strong> per modificare la dimensione degli istogrammi, nonch\u00e9 gli argomenti <strong>edgecolor<\/strong> e <strong>grid<\/strong> per migliorare l&#8217;aspetto degli istogrammi:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt \n\n<span style=\"color: #008080;\">#define format for subplots\n<\/span>fig, axis = plt. <span style=\"color: #3366ff;\">subplots<\/span> (1, 3, figsize=(8,3))\n\n<span style=\"color: #008080;\">#create histogram for each column in DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">hist<\/span> (ax=axis, edgecolor=' <span style=\"color: #ff0000;\">black<\/span> ', grid= <span style=\"color: #008000;\">False<\/span> )<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-32985\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/ac2.png\" alt=\"i panda creano un istogramma per ogni colonna in DataFrame\" width=\"665\" height=\"294\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Sentiti libero di giocare con gli argomenti della funzione <strong>subplots()<\/strong> per definire il formato e la dimensione esatti degli istogrammi.<\/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 attivit\u00e0 comuni nei panda:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/contenitori-dellistogramma-dei-panda\/\" target=\"_blank\" rel=\"noopener\">Come modificare il numero di contenitori utilizzati nell&#8217;istogramma di Panda<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/intervallo-asse-x-istogramma-panda\/\" target=\"_blank\" rel=\"noopener\">Come modificare l&#8217;intervallo dell&#8217;asse X nell&#8217;istogramma di Panda<\/a><br \/><a href=\"https:\/\/statorials.org\/it\/istogramma-dei-panda-per-gruppo\/\" target=\"_blank\" rel=\"noopener\">Come tracciare istogrammi per gruppo in Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare la seguente sintassi di base per creare un istogramma per ciascuna colonna di un DataFrame panda: import pandas as pd import matplotlib. pyplot as plt #define number of subplots fig, axis = plt. subplots (1, 3) #create histogram for each column in DataFrame df. hist (ax=axis) Questo particolare esempio utilizza la funzione [&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: crea un istogramma per ogni colonna in DataFrame - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, 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\/istogramma-panda-per-ogni-colonna\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Panda: crea un istogramma per ogni colonna in DataFrame - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, con un esempio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T06:00:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/ac1.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\/istogramma-panda-per-ogni-colonna\/\",\"url\":\"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/\",\"name\":\"Panda: crea un istogramma per ogni colonna in DataFrame - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-13T06:00:11+00:00\",\"dateModified\":\"2023-07-13T06:00:11+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, con un esempio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Panda: crea un istogramma per ogni colonna in dataframe\"}]},{\"@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. Con una vasta esperienza e competenza nel campo della statistica, sono ansioso di condividere le mie conoscenze per potenziare gli studenti attraverso Statorials. Scopri di pi\u00f9\",\"sameAs\":[\"https:\/\/statorials.org\/it\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Panda: crea un istogramma per ogni colonna in DataFrame - Statorials","description":"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, con un esempio.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/","og_locale":"it_IT","og_type":"article","og_title":"Panda: crea un istogramma per ogni colonna in DataFrame - Statorials","og_description":"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, con un esempio.","og_url":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/","og_site_name":"Statorials","article_published_time":"2023-07-13T06:00:11+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/ac1.png"}],"author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Benjamin anderson","Est. reading time":"2 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/","url":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/","name":"Panda: crea un istogramma per ogni colonna in DataFrame - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/it\/#website"},"datePublished":"2023-07-13T06:00:11+00:00","dateModified":"2023-07-13T06:00:11+00:00","author":{"@id":"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae"},"description":"Questo tutorial spiega come creare un istogramma per ogni colonna in un DataFrame panda, con un esempio.","breadcrumb":{"@id":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/it\/istogramma-panda-per-ogni-colonna\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Casa","item":"https:\/\/statorials.org\/it\/"},{"@type":"ListItem","position":2,"name":"Panda: crea un istogramma per ogni colonna in dataframe"}]},{"@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. Con una vasta esperienza e competenza nel campo della statistica, sono ansioso di condividere le mie conoscenze per potenziare gli studenti attraverso Statorials. Scopri di pi\u00f9","sameAs":["https:\/\/statorials.org\/it"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts\/4154"}],"collection":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/comments?post=4154"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts\/4154\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/media?parent=4154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/categories?post=4154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/tags?post=4154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}