{"id":3889,"date":"2023-07-14T23:14:44","date_gmt":"2023-07-14T23:14:44","guid":{"rendered":"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/"},"modified":"2023-07-14T23:14:44","modified_gmt":"2023-07-14T23:14:44","slug":"sas-converte-datetime-in-data","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/","title":{"rendered":"Come convertire datetime fino ad oggi in sas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Il modo pi\u00f9 semplice per convertire una data\/ora in una data in SAS \u00e8 utilizzare la funzione <strong>DATEPART<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Questa funzione utilizza la seguente sintassi di base:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\"><span style=\"color: #000000;\">date = <span style=\"color: #3366ff;\">put<\/span> ( <span style=\"color: #3366ff;\">datepart<\/span> (some_datetime), <span style=\"color: #008000;\">mmddyy10.<\/span> );<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">L&#8217; <strong>argomento mddyy10.<\/strong> specifica che la data deve essere nel formato 15\/10\/2022.<\/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: convertire Datetime in data in SAS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente set di dati in SAS che contiene una colonna di date e orari:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> original_data;\n    <span style=\"color: #3366ff;\">format<\/span> some_datetime datetime23.;\n    <span style=\"color: #3366ff;\">input<\/span> some_datetime:datetime23.;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n14OCT2022:0:0:0\n09NOV2022:0:0:0\n14NOV2022:0:0:0\n15NOV2022:0:0:0\n22DEC2022:0:0:0\n24DEC2022:0:0:0\n04JAN2023:0:0:0\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> = original_data;<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-31325 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/dateheure1.jpg\" alt=\"\" width=\"189\" height=\"208\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Il codice seguente mostra come utilizzare la funzione <strong>DATEPART<\/strong> per creare un nuovo set di dati in cui i valori nella colonna datetime sono formattati come date con formati diversi:<\/span><\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">\/*create new dataset with datetime formatted as date*\/\n<\/span><span style=\"color: #800080;\">data<\/span> <span style=\"color: #000000;\">new_data;\n<\/span><span style=\"color: #3366ff;\">set<\/span> <span style=\"color: #000000;\">original_data;\n    date_mmddyyyy =<\/span> <span style=\"color: #3366ff;\">put<\/span> <span style=\"color: #000000;\">(<\/span> <span style=\"color: #3366ff;\">datepart<\/span> <span style=\"color: #000000;\">(some_datetime), mmddyy10.);\n    date_yyyymmdd =<\/span> <span style=\"color: #3366ff;\">put<\/span> <span style=\"color: #000000;\">(<\/span> <span style=\"color: #3366ff;\">datepart<\/span> <span style=\"color: #000000;\">(some_datetime), yymmdd10.);\n    date_date9 =<\/span> <span style=\"color: #3366ff;\">put<\/span> <span style=\"color: #000000;\">(<\/span> <span style=\"color: #3366ff;\">datepart<\/span> <span style=\"color: #000000;\">(some_datetime), date9.);\n    date_default =<\/span> <span style=\"color: #3366ff;\">datepart<\/span> <span style=\"color: #000000;\">(some_datetime);\n<\/span><span style=\"color: #800080;\">run<\/span> <span style=\"color: #000000;\">;<\/span><\/span>\n\n<span style=\"color: #008000;\">\/*view new dataset*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> = new_data;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-31326 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/dateheure2.jpg\" alt=\"\" width=\"614\" height=\"221\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Tieni presente che le quattro nuove colonne visualizzano la data della colonna datetime originale in formati diversi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per impostazione predefinita, la funzione <strong>DATEPART<\/strong> converte una data\/ora nel numero di giorni trascorsi dal 1 gennaio 1960.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Pertanto la nuova colonna denominata <strong>date_default<\/strong> visualizza il numero di giorni dal 1 gennaio 1960 per ogni data\/ora.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : \u00e8 possibile trovare la documentazione completa per la funzione SAS <b>DATEPART<\/b> <a href=\"https:\/\/documentation.sas.com\/doc\/en\/vdmmlcdc\/8.1\/ds2ref\/n16yabgpgl3slnn1uh9ipw6qlrdo.htm\" 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 attivit\u00e0 comuni in SAS:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/sas-aggiungono-giorni-ad-oggi\/\" target=\"_blank\" rel=\"noopener\">Come aggiungere giorni fino ad oggi in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/sas-converte-la-variabile-digitale-ad-oggi\/\" target=\"_blank\" rel=\"noopener\">Come convertire una variabile numerica fino ad oggi in SAS<\/a><br \/><a href=\"https:\/\/statorials.org\/it\/nessuna-differenza-tra-due-date\/\" target=\"_blank\" rel=\"noopener\">Come calcolare la differenza tra due date in SAS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il modo pi\u00f9 semplice per convertire una data\/ora in una data in SAS \u00e8 utilizzare la funzione DATEPART . Questa funzione utilizza la seguente sintassi di base: date = put ( datepart (some_datetime), mmddyy10. ); L&#8217; argomento mddyy10. specifica che la data deve essere nel formato 15\/10\/2022. L&#8217;esempio seguente mostra come utilizzare questa sintassi nella [&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 DateTime ad oggi in SAS - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come convertire una data\/ora in una data in SAS, 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\/sas-converte-datetime-in-data\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come convertire DateTime ad oggi in SAS - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come convertire una data\/ora in una data in SAS, con diversi esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-14T23:14:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/dateheure1.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=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/\",\"url\":\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/\",\"name\":\"Come convertire DateTime ad oggi in SAS - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-14T23:14:44+00:00\",\"dateModified\":\"2023-07-14T23:14:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come convertire una data\/ora in una data in SAS, con diversi esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/sas-converte-datetime-in-data\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come convertire datetime fino ad oggi in sas\"}]},{\"@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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