{"id":3609,"date":"2023-07-16T13:40:47","date_gmt":"2023-07-16T13:40:47","guid":{"rendered":"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/"},"modified":"2023-07-16T13:40:47","modified_gmt":"2023-07-16T13:40:47","slug":"pandas-histogramm-nach-gruppe","status":"publish","type":"post","link":"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/","title":{"rendered":"So zeichnen sie histogramme nach gruppen in pandas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Sie k\u00f6nnen die folgenden Methoden verwenden, um Histogramme nach Gruppen in einem Pandas-DataFrame darzustellen:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Methode 1: Zeichnen Sie Histogramme nach Gruppen mithilfe mehrerer Diagramme<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">values_var<\/span> ']. <span style=\"color: #3366ff;\">hist<\/span> (by=df[' <span style=\"color: #ff0000;\">group_var<\/span> '])\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Methode 2: Zeichnen Sie Histogramme nach Gruppen in einem einzigen Diagramm<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>plt. <span style=\"color: #3366ff;\">hist<\/span> (group1, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">group1<\/span> ')<\/strong><\/span>\n<span style=\"color: #000000;\"><strong>plt. <span style=\"color: #3366ff;\">hist<\/span> (group2, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">group2<\/span> ')<\/strong><\/span>\n<span style=\"color: #000000;\"><strong>plt. <span style=\"color: #3366ff;\">hist<\/span> (group3, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">group3<\/span> ')<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Die folgenden Beispiele zeigen, wie jede Methode in der Praxis mit dem folgenden Pandas-DataFrame verwendet wird, der die von Basketballspielern aus drei verschiedenen Teams erzielten Punkte zeigt:<\/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<span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#make this example reproducible\n<\/span>n.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': <span style=\"color: #3366ff;\">np.repeat<\/span> ([' <span style=\"color: #ff0000;\">A<\/span> ',' <span style=\"color: #ff0000;\">B<\/span> ',' <span style=\"color: #ff0000;\">C<\/span> '], <span style=\"color: #008000;\">100<\/span> ),\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">normal<\/span> (loc= <span style=\"color: #008000;\">20<\/span> , scale= <span style=\"color: #008000;\">2<\/span> , size= <span style=\"color: #008000;\">300<\/span> )})\n\n<span style=\"color: #008080;\">#view head of DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.head<\/span> ())\n\n  team points\n0 A 23.248691\n1 A 18.776487\n2 A 18.943656\n3 A 17.854063\n4 A 21.730815<\/span><\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Beispiel 1: Zeichnen Sie Histogramme nach Gruppen mithilfe mehrerer Diagramme<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Der folgende Code zeigt, wie drei Histogramme erstellt werden, die die Verteilung der von den Spielern aller drei Teams erzielten Punkte anzeigen:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create histograms of points by team\n<\/span>df[' <span style=\"color: #ff0000;\">points<\/span> ']. <span style=\"color: #3366ff;\">hist<\/span> (by=df[' <span style=\"color: #ff0000;\">team<\/span> '])\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29728 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histgroup1.jpg\" alt=\"\" width=\"525\" height=\"411\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Wir k\u00f6nnen auch das Argument <strong>\u201eedgecolor\u201c<\/strong> verwenden, um Kantenlinien zu jedem Histogramm hinzuzuf\u00fcgen, und das Argument \u201e <strong>figsize<\/strong> \u201c, um die Gr\u00f6\u00dfe jedes Histogramms zu erh\u00f6hen, um die Visualisierung zu erleichtern:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create histograms of points by team\n<\/span>df[' <span style=\"color: #ff0000;\">points<\/span> ']. <span style=\"color: #3366ff;\">hist<\/span> (by=df[' <span style=\"color: #ff0000;\">team<\/span> '], edgecolor=' <span style=\"color: #ff0000;\">black<\/span> ', figsize = ( <span style=\"color: #008000;\">8<\/span> , <span style=\"color: #008000;\">6<\/span> ))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29729 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histgroup2.jpg\" alt=\"\" width=\"603\" height=\"457\" srcset=\"\" sizes=\"\"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Beispiel 2: Zeichnen Sie Histogramme nach Gruppen mithilfe eines einzelnen Diagramms<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Der folgende Code zeigt, wie man drei Histogramme erstellt und sie alle im selben Diagramm platziert:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">import<\/span> matplotlib.pyplot <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define points values by group\n<\/span>A = df. <span style=\"color: #3366ff;\">loc<\/span> [df[' <span style=\"color: #ff0000;\">team<\/span> '] == ' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">points<\/span> ']\nB = df. <span style=\"color: #3366ff;\">loc<\/span> [df[' <span style=\"color: #ff0000;\">team<\/span> '] == ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">points<\/span> ']\nC = df. <span style=\"color: #3366ff;\">loc<\/span> [df[' <span style=\"color: #ff0000;\">team<\/span> '] == ' <span style=\"color: #ff0000;\">C<\/span> ', ' <span style=\"color: #ff0000;\">points<\/span> ']\n\n<span style=\"color: #008080;\">#add three histograms to one plot\n<\/span>plt. <span style=\"color: #3366ff;\">hist<\/span> (A, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">A<\/span> ')\nplt. <span style=\"color: #3366ff;\">hist<\/span> (B, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">B<\/span> ')\nplt. <span style=\"color: #3366ff;\">hist<\/span> (C, alpha= <span style=\"color: #008000;\">0.5<\/span> , label=' <span style=\"color: #ff0000;\">C<\/span> ')\n\n<span style=\"color: #008080;\">#add plot title and axis labels\n<\/span>plt. <span style=\"color: #3366ff;\">title<\/span> (' <span style=\"color: #ff0000;\">Points Distribution by Team<\/span> ')\nplt. <span style=\"color: #3366ff;\">xlabel<\/span> (' <span style=\"color: #ff0000;\">Points<\/span> ')\nplt. <span style=\"color: #3366ff;\">ylabel<\/span> (' <span style=\"color: #ff0000;\">Frequency<\/span> ')\n\n<span style=\"color: #008080;\">#add legend\n<\/span>plt. <span style=\"color: #3366ff;\">legend<\/span> (title=' <span style=\"color: #ff0000;\">Team<\/span> ')\n\n<span style=\"color: #008080;\">#displayplot\n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29730 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histgroup3.jpg\" alt=\"\" width=\"504\" height=\"402\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Das Endergebnis ist ein Diagramm, das drei \u00fcbereinander gestapelte Histogramme anzeigt.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Hinweis<\/strong> : Das <strong>Alpha-<\/strong> Argument gibt die Transparenz jedes Histogramms an. Dieser Wert kann zwischen 0 und 1 liegen. Indem wir diesen Wert auf 0,5 setzen, k\u00f6nnen wir jedes \u00fcberlagerte Histogramm besser visualisieren.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Zus\u00e4tzliche Ressourcen<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">In den folgenden Tutorials wird erl\u00e4utert, wie Sie andere g\u00e4ngige Diagramme in Python erstellen:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/de\/plotten-sie-mehrere-zeilen-mit-matplotlib\/\" target=\"_blank\" rel=\"noopener\">So zeichnen Sie mehrere Linien in Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/de\/pandas-im-karton\/\" target=\"_blank\" rel=\"noopener\">So erstellen Sie einen Boxplot aus Pandas DataFrame<\/a><br \/> <a href=\"https:\/\/statorials.org\/de\/pandas-diagramm-mit-mehreren-saulen\/\" target=\"_blank\" rel=\"noopener\">So zeichnen Sie mehrere Pandas-S\u00e4ulen in einem Balkendiagramm auf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sie k\u00f6nnen die folgenden Methoden verwenden, um Histogramme nach Gruppen in einem Pandas-DataFrame darzustellen: Methode 1: Zeichnen Sie Histogramme nach Gruppen mithilfe mehrerer Diagramme df[&#8218; values_var &#8218;]. hist (by=df[&#8218; group_var &#8218;]) Methode 2: Zeichnen Sie Histogramme nach Gruppen in einem einzigen Diagramm plt. hist (group1, alpha= 0.5 , label=&#8216; group1 &#8218;) plt. hist (group2, alpha= [&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 zeichnen Sie Histogramme nach Gruppen in Pandas \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"In diesem Tutorial wird anhand mehrerer Beispiele erl\u00e4utert, wie Gruppenhistogramme in Pandas erstellt werden.\" \/>\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\/pandas-histogramm-nach-gruppe\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"So zeichnen Sie Histogramme nach Gruppen in Pandas \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"In diesem Tutorial wird anhand mehrerer Beispiele erl\u00e4utert, wie Gruppenhistogramme in Pandas erstellt werden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T13:40:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histgroup1.jpg\" \/>\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\/pandas-histogramm-nach-gruppe\/\",\"url\":\"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/\",\"name\":\"So zeichnen Sie Histogramme nach Gruppen in Pandas \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/de\/#website\"},\"datePublished\":\"2023-07-16T13:40:47+00:00\",\"dateModified\":\"2023-07-16T13:40:47+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/de\/#\/schema\/person\/ec75c4d6365f2708f8a0ad3a42121aa0\"},\"description\":\"In diesem Tutorial wird anhand mehrerer Beispiele erl\u00e4utert, wie Gruppenhistogramme in Pandas erstellt werden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/#breadcrumb\"},\"inLanguage\":\"de-DE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/de\/pandas-histogramm-nach-gruppe\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Heim\",\"item\":\"https:\/\/statorials.org\/de\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"So zeichnen sie histogramme nach gruppen in pandas\"}]},{\"@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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