{"id":1261,"date":"2023-07-27T02:36:50","date_gmt":"2023-07-27T02:36:50","guid":{"rendered":"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/"},"modified":"2023-07-27T02:36:50","modified_gmt":"2023-07-27T02:36:50","slug":"array-numpy-per-dataframe-panda","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/","title":{"rendered":"Come convertire un array numpy in pandas dataframe"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi per convertire un array NumPy in un DataFrame panda:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create NumPy array\n<\/span>data = np. <span style=\"color: #3366ff;\">array<\/span> ([[1, 7, 6, 5, 6], [4, 4, 4, 3, 1]])\n\n<span style=\"color: #008080;\">#convert NumPy array to pandas DataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> (data=data)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio: converti un array NumPy in Pandas DataFrame<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente array NumPy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #008080;\">\n#create NumPy array\n<\/span>data = np. <span style=\"color: #3366ff;\">array<\/span> ([[1, 7, 6, 5, 6], [4, 4, 4, 3, 1]])\n\n<span style=\"color: #008080;\">#print class of NumPy array\n<\/span><span style=\"color: #008000;\">type<\/span> (data)\n\nnumpy.ndarray\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo usare la seguente sintassi per convertire l&#8217;array NumPy in un DataFrame panda:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n<span style=\"color: #008080;\">\n#convert NumPy array to pandas DataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> (data=data)\n\n<span style=\"color: #008080;\">#printDataFrame<\/span>\n<span style=\"color: #008000;\">print<\/span> (df)\n\n   0 1 2 3 4\n0 1 7 6 5 6\n1 4 4 4 3 1\n\n<span style=\"color: #008080;\">#print class of DataFrame<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #993300;\"><span style=\"color: #008000;\">type<\/span> <span style=\"color: #000000;\">(df)<\/span><\/span>\n<\/span>\npandas.core.frame.DataFrame\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Specificare i nomi di righe e colonne per Pandas DataFrame<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Possiamo anche specificare i nomi di riga e colonna per DataFrame utilizzando rispettivamente gli argomenti <strong>indice<\/strong> e <strong>colonne<\/strong> .<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert array to DataFrame and specify rows &amp; columns\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> (data=data, index=[\"r1\", \"r2\"], columns=[\"A\", \"B\", \"C\", \"D\", \"E\"])\n<\/span>\n#print the DataFrame\n<span style=\"color: #000000;\"><span style=\"color: #993300;\">print<\/span> (df)\n\n    A B C D E\nr1 1 7 6 5 6\nr2 4 4 4 3 1<\/span><\/span><\/strong>\n<\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/it\/aggiungi-larray-numpy-al-dataframe-panda\/\" target=\"_blank\" rel=\"noopener noreferrer\">Come aggiungere un array Numpy a un DataFrame Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/rilascia-i-panda-dellindice\/\" target=\"_blank\" rel=\"noopener noreferrer\">Come rimuovere la colonna dell&#8217;indice in Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/i-panda-trovano-valore-in-qualsiasi-colonna\/\" target=\"_blank\" rel=\"noopener noreferrer\">Panda: seleziona le righe in cui il valore appare in qualsiasi colonna<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare la seguente sintassi per convertire un array NumPy in un DataFrame panda: #create NumPy array data = np. array ([[1, 7, 6, 5, 6], [4, 4, 4, 3, 1]]) #convert NumPy array to pandas DataFrame df = pd. DataFrame (data=data) L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica. Esempio: converti un [&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 convertire un array NumPy in Pandas DataFrame - Stology<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come convertire un array NumPy in un DataFrame panda, con 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\/array-numpy-per-dataframe-panda\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come convertire un array NumPy in Pandas DataFrame - Stology\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come convertire un array NumPy in un DataFrame panda, con esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T02:36:50+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=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/\",\"url\":\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/\",\"name\":\"Come convertire un array NumPy in Pandas DataFrame - Stology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-27T02:36:50+00:00\",\"dateModified\":\"2023-07-27T02:36:50+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come convertire un array NumPy in un DataFrame panda, con esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/array-numpy-per-dataframe-panda\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come convertire un array numpy in pandas 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. 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