{"id":2466,"date":"2023-07-22T03:49:23","date_gmt":"2023-07-22T03:49:23","guid":{"rendered":"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/"},"modified":"2023-07-22T03:49:23","modified_gmt":"2023-07-22T03:49:23","slug":"i-panda-convertono-datetime-in-stringa","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/","title":{"rendered":"Come convertire datetime in stringa in panda (con esempi)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi di base per convertire una colonna DateTime in una stringa in panda:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">column_name<\/span> ']. <span style=\"color: #3366ff;\">dt<\/span> . <span style=\"color: #3366ff;\">strftime<\/span> (' <span style=\"color: #ff0000;\">%Y-%m-%d<\/span> ')\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 DateTime in String in Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente DataFrame panda che mostra le vendite effettuate da un negozio in quattro giorni diversi:<\/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 style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">day<\/span> ': pd. <span style=\"color: #3366ff;\">to_datetime<\/span> (pd. <span style=\"color: #3366ff;\">Series<\/span> (['20210101', '20210105',\n                                                    '20210106', '20210109'])),\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [1440, 1845, 2484, 2290]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\t       day sales\n0 2021-01-01 1440\n1 2021-01-05 1845\n2 2021-01-06 2484\n3 2021-01-09 2290\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare la funzione <strong>dtypes<\/strong> per visualizzare il tipo di dati di ciascuna colonna nel DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view data type of each column\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">dtypes<\/span>\n\nday datetime64[ns]\ndirty int64\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo vedere che la colonna &#8220;giorno&#8221; ha una classe <strong>DateTime<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per convertire \u201cgiorno\u201d in una stringa, possiamo utilizzare la seguente sintassi:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#convert 'day' column to string\n<\/span>df[' <span style=\"color: #ff0000;\">day<\/span> '] = df[' <span style=\"color: #ff0000;\">day<\/span> ']. <span style=\"color: #3366ff;\">dt<\/span> . <span style=\"color: #3366ff;\">strftime<\/span> (' <span style=\"color: #ff0000;\">%Y-%m-%d<\/span> ')\n<\/span>\n#view updated DataFrame\n<span style=\"color: #000000;\">df\n\n\t<\/span><span style=\"color: #000000;\">day<\/span> <span style=\"color: #000000;\">sales\n0 2021-01-01 1440\n1 2021-01-05 1845\n2 2021-01-06 2484\n3 2021-01-09 2290\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo riutilizzare la funzione <strong>dtypes<\/strong> per verificare che la colonna &#8220;giorno&#8221; sia ora una stringa:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#view data type of each column<\/span>\ndf. <span style=\"color: #3366ff;\">dtypes\n\n<span style=\"color: #000000;\">day object\ndirty int64\ndtype:object<\/span><\/span>\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : puoi trovare la documentazione completa per la funzione <strong>dt.strftime()<\/strong> <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.Series.dt.strftime.html\" target=\"_blank\" rel=\"noopener\">qui<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come eseguire altre conversioni comuni in Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/convertire-datetime-in-data-panda\/\" target=\"_blank\" rel=\"noopener\">Come convertire DateTime fino ad oggi in Panda<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/convertire-le-colonne-in-datatime-panda\/\" target=\"_blank\" rel=\"noopener\">Come convertire le colonne in DateTime in Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/data-e-ora-del-timestamp-dei-panda\/\" target=\"_blank\" rel=\"noopener\">Come convertire il timestamp in data\/ora in Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare la seguente sintassi di base per convertire una colonna DateTime in una stringa in panda: df[&#8216; column_name &#8216;]. dt . strftime (&#8216; %Y-%m-%d &#8216;) L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica. Esempio: converti DateTime in String in Pandas Supponiamo di avere il seguente DataFrame panda che mostra le vendite effettuate [&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 in stringa in Panda (con esempi) - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come convertire le colonne datetime in stringhe in 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\/i-panda-convertono-datetime-in-stringa\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come convertire DateTime in stringa in Panda (con esempi) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come convertire le colonne datetime in stringhe in Panda, con un esempio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T03:49:23+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\/i-panda-convertono-datetime-in-stringa\/\",\"url\":\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/\",\"name\":\"Come convertire DateTime in stringa in Panda (con esempi) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-22T03:49:23+00:00\",\"dateModified\":\"2023-07-22T03:49:23+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come convertire le colonne datetime in stringhe in Panda, con un esempio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come convertire datetime in stringa in panda (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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