{"id":895,"date":"2023-07-28T09:32:44","date_gmt":"2023-07-28T09:32:44","guid":{"rendered":"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/"},"modified":"2023-07-28T09:32:44","modified_gmt":"2023-07-28T09:32:44","slug":"konvertieren-sie-einen-string-in-schwebende-pandas","status":"publish","type":"post","link":"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/","title":{"rendered":"So konvertieren sie strings in pandas in float"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Sie k\u00f6nnen die folgenden Methoden verwenden, um eine Zeichenfolge in Pandas in Float umzuwandeln:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Methode 1: Einzelne Spalte in Float konvertieren<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert \"assists\" column from string to float<\/span>\ndf[' <span style=\"color: #ff0000;\">assists<\/span> '] = df[' <span style=\"color: #ff0000;\">assists<\/span> ']. <span style=\"color: #3366ff;\">astype<\/span> (float)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Methode 2: Mehrere Spalten in Float konvertieren<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert both \"assists\" and \"rebounds\" from strings to floats\n<\/span>df[[' <span style=\"color: #ff0000;\">assists<\/span> ', ' <span style=\"color: #ff0000;\">rebounds<\/span> ']] = df[[' <span style=\"color: #ff0000;\">assists<\/span> ', ' <span style=\"color: #ff0000;\">rebounds<\/span> ']]. <span style=\"color: #3366ff;\">astype<\/span> (float)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Methode 3: Alle Spalten in Float konvertieren<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert all columns to float\n<\/span>df = df. <span style=\"color: #3366ff;\">astype<\/span> (float)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Die folgenden Beispiele zeigen, wie jede Methode in der Praxis mit dem folgenden Pandas DataFrame verwendet wird:<\/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: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame<\/span>\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">points<\/span> ': [np.nan, 12, 15, 14, 19],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': ['5', np.nan, '7', '9', '12'],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': ['11', '8', '10', '6', '6']})  \n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n \tpoints assists rebounds\n0 NaN 5.0 11\n1 12.0 NaN 8\n2 15.0 7.0 10\n3 14.0 9.0 6\n4 19.0 12.0 6\n\n<span style=\"color: #008080;\">#view column data types\n<\/span>df. <span style=\"color: #3366ff;\">dtypes\n\n<span style=\"color: #000000;\">float64 points\nassists object\nrebound object\ndtype:object<\/span><\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Beispiel 1: Konvertieren Sie eine einzelne Spalte in eine Float-Spalte<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Die folgende Syntax zeigt, wie die <strong>Hilfsspalte<\/strong> von einer Zeichenfolge in eine Gleitkommazahl konvertiert wird:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert \"assists\" from string to float<\/span>\ndf[' <span style=\"color: #ff0000;\">assists<\/span> '] = df[' <span style=\"color: #ff0000;\">assists<\/span> ']. <span style=\"color: #3366ff;\">astype<\/span> (float)\n\n<span style=\"color: #008080;\">#view column data types<\/span>\ndf. <span style=\"color: #3366ff;\">dtypes<\/span>\n\nfloat64 points\nassist float64\nrebound object\ndtype:object\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Beispiel 2: Konvertieren Sie mehrere Spalten in Float<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Die folgende Syntax zeigt, wie <strong>Hilfs-<\/strong> und <strong>Bounce-<\/strong> Spalten von Strings in Floats konvertiert werden:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert both \"assists\" and \"rebounds\" from strings to floats\n<\/span>df[[' <span style=\"color: #ff0000;\">assists<\/span> ', ' <span style=\"color: #ff0000;\">rebounds<\/span> ']] = df[[' <span style=\"color: #ff0000;\">assists<\/span> ', ' <span style=\"color: #ff0000;\">rebounds<\/span> ']]. <span style=\"color: #3366ff;\">astype<\/span> (float)\n\n<span style=\"color: #008080;\">#view column data types\n<\/span>df. <span style=\"color: #3366ff;\">dtypes\n\n<\/span>float64 points\nassist float64\nrebounds float64\ndtype:object\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Beispiel 3: Konvertieren Sie alle Spalten in Float<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Die folgende Syntax zeigt, wie alle Spalten im DataFrame in Floats konvertiert werden:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert all columns to float\n<\/span>df = df. <span style=\"color: #3366ff;\">astype<\/span> (float)\n\n<span style=\"color: #008080;\">#view column data types\n<\/span>df. <span style=\"color: #3366ff;\">dtypes\n\n<\/span>float64 points\nassist float64\nrebounds float64\ndtype:object<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Bonus: String in Float umwandeln und NaN-Werte auff\u00fcllen<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Die folgende Syntax zeigt, wie man die <strong>Hilfsspalte<\/strong> von String in Float umwandelt und gleichzeitig die NaN-Werte mit Nullen auff\u00fcllt:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert \"assists\" from string to float and fill in NaN values with zeros\n<\/span>df[' <span style=\"color: #ff0000;\">assists<\/span> '] = df[' <span style=\"color: #ff0000;\">assists<\/span> ']. <span style=\"color: #3366ff;\">astype<\/span> (float). <span style=\"color: #3366ff;\">fillna<\/span> (0)\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #000000;\">df\n<\/span>\n        points assists rebounds\n0 NaN 5.0 11\n1 12.0 0.0 8\n2 15.0 7.0 10\n3 14.0 9.0 6\n4 19.0 12.0 6<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Zus\u00e4tzliche Ressourcen<\/strong><\/span><\/h2>\n<p> In den folgenden Tutorials wird erl\u00e4utert, wie Sie andere h\u00e4ufige Aufgaben in Pandas ausf\u00fchren:<\/p>\n<p> <a href=\"https:\/\/statorials.org\/de\/pandas-konvertieren-objekt-in-int\/\" target=\"_blank\" rel=\"noopener\">Pandas: So konvertieren Sie ein Objekt in eine Ganzzahl<\/a><br \/> <a href=\"https:\/\/statorials.org\/de\/pandas-konvertieren-float-in-int\/\" target=\"_blank\" rel=\"noopener\">Pandas: So konvertieren Sie Gleitkommazahlen in Ganzzahlen<\/a><br \/> <a href=\"https:\/\/statorials.org\/de\/pandas-spalte-zum-numpy-array\/\" target=\"_blank\" rel=\"noopener\">Pandas: So konvertieren Sie bestimmte Spalten in ein NumPy-Array<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sie k\u00f6nnen die folgenden Methoden verwenden, um eine Zeichenfolge in Pandas in Float umzuwandeln: Methode 1: Einzelne Spalte in Float konvertieren #convert &#8222;assists&#8220; column from string to float df[&#8218; assists &#8218;] = df[&#8218; assists &#8218;]. astype (float) Methode 2: Mehrere Spalten in Float konvertieren #convert both &#8222;assists&#8220; and &#8222;rebounds&#8220; from strings to floats df[[&#8218; assists [&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>So konvertieren Sie Strings in Floats in Pandas \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"Eine einfache Erkl\u00e4rung zum Konvertieren von String-Spalten in einem Pandas-DataFrame in Float-Spalten.\" \/>\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\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"So konvertieren Sie Strings in Floats in Pandas \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"Eine einfache Erkl\u00e4rung zum Konvertieren von String-Spalten in einem Pandas-DataFrame in Float-Spalten.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T09:32:44+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 Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/\",\"url\":\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/\",\"name\":\"So konvertieren Sie Strings in Floats in Pandas \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/de\/#website\"},\"datePublished\":\"2023-07-28T09:32:44+00:00\",\"dateModified\":\"2023-07-28T09:32:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/de\/#\/schema\/person\/ec75c4d6365f2708f8a0ad3a42121aa0\"},\"description\":\"Eine einfache Erkl\u00e4rung zum Konvertieren von String-Spalten in einem Pandas-DataFrame in Float-Spalten.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/#breadcrumb\"},\"inLanguage\":\"de-DE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/de\/konvertieren-sie-einen-string-in-schwebende-pandas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Heim\",\"item\":\"https:\/\/statorials.org\/de\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"So konvertieren sie strings in pandas in float\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/de\/#website\",\"url\":\"https:\/\/statorials.org\/de\/\",\"name\":\"Statorials\",\"description\":\"Ihr Leitfaden f\u00fcr statistische Kompetenz !\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/de\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de-DE\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/de\/#\/schema\/person\/ec75c4d6365f2708f8a0ad3a42121aa0\",\"name\":\"Dr. Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de-DE\",\"@id\":\"https:\/\/statorials.org\/de\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/de\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/de\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. Benjamin Anderson\"},\"description\":\"Hallo, ich bin Benjamin, ein pensionierter Statistikprofessor, der sich zum engagierten Statorials-Lehrer entwickelt hat. 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