{"id":2361,"date":"2023-07-22T14:56:23","date_gmt":"2023-07-22T14:56:23","guid":{"rendered":"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/"},"modified":"2023-07-22T14:56:23","modified_gmt":"2023-07-22T14:56:23","slug":"waardefout-achtervolgende-gegevens","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/","title":{"rendered":"Hoe op te lossen in python: valueerror: trailing data"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Een fout die u kunt tegenkomen bij het gebruik van Python is:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #ff0000;\">ValueError<\/span> : Trailing data\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Deze fout treedt meestal op wanneer u een JSON-bestand probeert te importeren in een Panda DataFrame, maar de gegevens worden geschreven in regels, gescheiden door navolgende regels, zoals &#8220; <strong>\\n<\/strong> &#8222;.<\/span><\/p>\n<p> <span style=\"color: #000000;\">De eenvoudigste manier om deze fout op te lossen is door eenvoudigweg <strong>lines=True<\/strong> op te geven bij het importeren van de gegevens:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df = pd. <span style=\"color: #3366ff;\">read_json<\/span> (' <span style=\"color: #ff0000;\">my_data.json<\/span> ', lines= <span style=\"color: #008000;\">True<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Het volgende voorbeeld laat zien hoe u deze fout in de praktijk kunt corrigeren.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Hoe de fout te reproduceren<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Laten we aannemen dat we het volgende JSON-bestand hebben:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-21380 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/json1.png\" alt=\"\" width=\"629\" height=\"352\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Laten we nu zeggen dat we dit JSON-bestand proberen te importeren in een Panda DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#attempt to import JSON file into pandas DataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">read_json<\/span> (' <span style=\"color: #ff0000;\">Documents\/DataFiles\/my_data.json<\/span> ')\n\n<span style=\"color: #ff0000;\">ValueError<\/span> : Trailing data\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">We ontvangen een foutmelding omdat het element &#8218;Review&#8216; in ons JSON-bestand <strong>\\n<\/strong> bevat om de afsluitende regels weer te geven.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Hoe u de fout kunt oplossen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De eenvoudigste manier om deze fout op te lossen is door eenvoudigweg <strong>lines=True<\/strong> op te geven bij het importeren van de gegevens:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#import JSON file into pandas DataFrame<\/span>\ndf = pd. <span style=\"color: #3366ff;\">read_json<\/span> (' <span style=\"color: #ff0000;\">Documents\/DataFiles\/my_data.json<\/span> ', lines= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view DataFrame<\/span>\ndf\n\n\tID Rating Review\n0 A 8 Great movie.\\nI would recommend it.\n1 B 5 Mediocre movie.\\nWould not recommend it.\n2 C 3 Bad movie.\\nI would not recommend.\n3 D 7 Decent movie.\\nI might recommend it.\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Houd er rekening mee dat we het JSON-bestand zonder fouten in een Panda DataFrame kunnen importeren.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Als we de volgende <strong>\\n-<\/strong> regels uit de kolom &#8222;Revisie&#8220; willen verwijderen, kunnen we de volgende syntaxis gebruiken:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#replace \\n with empty space in 'Review' column<\/span>\ndf[' <span style=\"color: #ff0000;\">Review<\/span> '] = df[' <span style=\"color: #ff0000;\">Review<\/span> ']. <span style=\"color: #3366ff;\">str<\/span> . <span style=\"color: #3366ff;\">replace<\/span> (' <span style=\"color: #ff0000;\">\\n<\/span> ', ' ')\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span>df\n\n\tID Rating Review\n0 To 8 Great movie. I would recommend it.\n1 B 5 Mediocre movie. Would not recommend it.\n2 C 3 Bad movie. I would not recommend.\n3 D 7 Decent movie. I might recommend it.<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>\\nwaarden<\/strong> zijn nu verwijderd uit de kolom \u201cRevisie\u201d.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">In de volgende tutorials wordt uitgelegd hoe u andere veelvoorkomende bewerkingen in panda&#8217;s kunt uitvoeren:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/nl\/pandas-naar-json\/\" target=\"_blank\" rel=\"noopener\">Hoe een Pandas DataFrame naar JSON-bestand te converteren<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/json-naar-panda-dataframe\/\" target=\"_blank\" rel=\"noopener\">Hoe JSON-bestand naar Pandas DataFrame te converteren<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Een fout die u kunt tegenkomen bij het gebruik van Python is: ValueError : Trailing data Deze fout treedt meestal op wanneer u een JSON-bestand probeert te importeren in een Panda DataFrame, maar de gegevens worden geschreven in regels, gescheiden door navolgende regels, zoals &#8220; \\n &#8222;. De eenvoudigste manier om deze fout op te [&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-2361","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 op te lossen in Python: ValueError: Trailing Data - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt uitgelegd hoe u de volgende fout in Python kunt oplossen: valueerror: trailing data.\" \/>\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\/waardefout-achtervolgende-gegevens\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoe op te lossen in Python: ValueError: Trailing Data - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt uitgelegd hoe u de volgende fout in Python kunt oplossen: valueerror: trailing data.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T14:56:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/json1.png\" \/>\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\/waardefout-achtervolgende-gegevens\/\",\"url\":\"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/\",\"name\":\"Hoe op te lossen in Python: ValueError: Trailing Data - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-22T14:56:23+00:00\",\"dateModified\":\"2023-07-22T14:56:23+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt uitgelegd hoe u de volgende fout in Python kunt oplossen: valueerror: trailing data.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/waardefout-achtervolgende-gegevens\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hoe op te lossen in python: valueerror: trailing data\"}]},{\"@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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