{"id":893,"date":"2023-07-28T09:54:10","date_gmt":"2023-07-28T09:54:10","guid":{"rendered":"https:\/\/statorials.org\/nl\/pandas-naar-json\/"},"modified":"2023-07-28T09:54:10","modified_gmt":"2023-07-28T09:54:10","slug":"pandas-naar-json","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/pandas-naar-json\/","title":{"rendered":"Hoe een pandas dataframe naar json te converteren"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Vaak bent u wellicht ge\u00efnteresseerd in het converteren van een Panda DataFrame naar JSON-indeling.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Gelukkig is dit eenvoudig te doen met behulp van de<\/span> functie <a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.to_json.html\" target=\"_blank\" rel=\"noopener\">to_json()<\/a> <span style=\"color: #000000;\">, waarmee u een DataFrame kunt converteren naar een JSON-string met een van de volgende formaten:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>&#8217;split&#8216;:<\/strong> dicteer als {&#8218;index&#8216; -&gt; [index], &#8218;kolommen&#8216; -&gt; [kolommen], &#8218;data&#8216; -&gt; [waarden]}<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>&#8218;records&#8216;:<\/strong> lijst als [{kolom -&gt; waarde}, &#8230;, {kolom -&gt; waarde}]<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>&#8218;index&#8216;:<\/strong> dicteer als {index -&gt; {kolom -&gt; waarde}}<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>&#8218;kolommen&#8216;:<\/strong> dicteer als {kolom -&gt; {index -&gt; waarde}}<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>&#8218;waarden&#8216;:<\/strong> alleen de reeks waarden<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>&#8218;table&#8216;:<\/strong> dicteer als {&#8217;schema&#8216;: {schema}, &#8218;data&#8216;: {data}}<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">In deze zelfstudie ziet u hoe u een DataFrame naar elk van de zes indelingen converteert met behulp van de volgende panda&#8217;s DataFrame:<\/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\n<span style=\"color: #008080;\">#createDataFrame<\/span>\ndf = pd.DataFrame({'points': [25, 12, 15, 19],\n                   'assists': [5, 7, 7, 12]})  \n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n        assist points\n0 25 5\n1 12 7\n2 15 7\n3 19 12\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 1: \u201cVerdeel\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">split<\/span> ')\n\n{\n   \"columns\": [\n      \"points\",\n      \"assists\"\n   ],\n   \"index\": [\n      0,\n      1,\n      2,\n      3\n   ],\n   \"data\": [\n      [\n         25,\n         5\n      ],\n      [\n         12,\n         7\n      ],\n      [\n         15,\n         7\n      ],\n      [\n         19,\n         12\n      ]\n   ]\n}\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 2: \u201cOpnames\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">records<\/span> ')\n\n[\n   {\n      \"points\": 25,\n      \u201cassists\u201d: 5\n   },\n   {\n      \"points\": 12,\n      \u201cassists\u201d: 7\n   },\n   {\n      \"points\": 15,\n      \u201cassists\u201d: 7\n   },\n   {\n      \"points\": 19,\n      \u201cassists\u201d: 12\n   }\n]<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 3: \u201cIndex\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">index<\/span> ') \n\n{\n   \"0\": {\n      \"points\": 25,\n      \u201cassists\u201d: 5\n   },\n   \"1\": {\n      \"points\": 12,\n      \u201cassists\u201d: 7\n   },\n   \"2\": {\n      \"points\": 15,\n      \u201cassists\u201d: 7\n   },\n   \"3\": {\n      \"points\": 19,\n      \u201cassists\u201d: 12\n   }\n}<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 4: \u201cKolommen\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">columns<\/span> ') \n\n{\n   \"dots\": {\n      \"0\": 25,\n      \"1\": 12,\n      \"2\": 15,\n      \"3\": 19\n   },\n   \"assists\": {\n      \"0\": 5,\n      \"1\": 7,\n      \"2\": 7,\n      \"3\": 12\n   }\n}\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 5: \u201cWaarden\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">values<\/span> ') \n\n[\n   [\n      25,\n      5\n   ],\n   [\n      12,\n      7\n   ],\n   [\n      15,\n      7\n   ],\n   [\n      19,\n      12\n   ]\n]<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Methode 6: \u201cTabel\u201d<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">table<\/span> ') \n\n{\n   \"plan\": {\n      \"fields\": [\n         {\n            \"name\": \"index\",\n            \"type\": \"integer\"\n         },\n         {\n            \"name\": \"points\",\n            \"type\": \"integer\"\n         },\n         {\n            \"name\": \"assists\",\n            \"type\": \"integer\"\n         }\n      ],\n      \"primaryKey\": [\n         \"index\"\n      ],\n      \"pandas_version\": \"0.20.0\"\n   },\n   \"data\": [\n      {\n         \"index\": 0,\n         \"points\": 25,\n         \u201cassists\u201d: 5\n      },\n      {\n         \"index\": 1,\n         \"points\": 12,\n         \u201cassists\u201d: 7\n      },\n      {\n         \"index\": 2,\n         \"points\": 15,\n         \u201cassists\u201d: 7\n      },\n      {\n         \"index\": 3,\n         \"points\": 19,\n         \u201cassists\u201d: 12\n      }\n   ]\n}<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Hoe een JSON-bestand te exporteren<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">U kunt de volgende syntaxis gebruiken om een JSON-bestand naar een specifiek bestandspad op uw computer te exporteren:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create JSON file<\/span> \njson_file = df. <span style=\"color: #3366ff;\">to_json<\/span> (orient=' <span style=\"color: #008000;\">records<\/span> ') \n\n<span style=\"color: #008080;\">#export JSON file<\/span>\nwith open('my_data.json', 'w') as f:\n    f.write(json_file)\n<\/strong><\/pre>\n<p> <em><span style=\"color: #000000;\">Je kunt de volledige documentatie van de pandas to_json() functie<\/span> <a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.to_json.html\" target=\"_blank\" rel=\"noopener\">hier<\/a> vinden <span style=\"color: #000000;\">.<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vaak bent u wellicht ge\u00efnteresseerd in het converteren van een Panda DataFrame naar JSON-indeling. Gelukkig is dit eenvoudig te doen met behulp van de functie to_json() , waarmee u een DataFrame kunt converteren naar een JSON-string met een van de volgende formaten: &#8217;split&#8216;: dicteer als {&#8218;index&#8216; -&gt; [index], &#8218;kolommen&#8216; -&gt; [kolommen], &#8218;data&#8216; -&gt; [waarden]} &#8218;records&#8216;: [&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":[],"class_list":["post-893","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hoe een Pandas DataFrame naar JSON te converteren - Statorials<\/title>\n<meta name=\"description\" content=\"Een eenvoudige uitleg over het converteren van een Panda DataFrame naar JSON-indeling.\" \/>\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\/nl\/pandas-naar-json\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoe een Pandas DataFrame naar JSON te converteren - Statorials\" \/>\n<meta property=\"og:description\" content=\"Een eenvoudige uitleg over het converteren van een Panda DataFrame naar JSON-indeling.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/pandas-naar-json\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T09:54:10+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/pandas-naar-json\/\",\"url\":\"https:\/\/statorials.org\/nl\/pandas-naar-json\/\",\"name\":\"Hoe een Pandas DataFrame naar JSON te converteren - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-28T09:54:10+00:00\",\"dateModified\":\"2023-07-28T09:54:10+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"Een eenvoudige uitleg over het converteren van een Panda DataFrame naar JSON-indeling.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/pandas-naar-json\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/pandas-naar-json\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/pandas-naar-json\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hoe een pandas dataframe naar json te converteren\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. 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