Exportieren von Grafiken bei matplotlib & pandas hinzugefügt
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@ -338,7 +338,26 @@
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"plt.legend(['sin(x)', 'cos(x)']);\n",
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"plt.legend(['sin(x)', 'cos(x)']);\n",
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"plt.show()"
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"plt.show()"
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]
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},
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{
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"cell_type": "markdown",
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"id": "470cd36c-2758-4f6f-b359-3a6adfb127dc",
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"metadata": {},
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"source": [
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"## Grafiken speichern/exportieren\n",
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"\n",
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"Bilder können nicht nur angezeigt sondern auch gespeichert werden. Dies muss *vor* dem Aufruf von `plt.show()` geschehen:\n",
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"\n",
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"```\n",
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"plt.savefig('sin_cos.png');\n",
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"plt.savefig('sin_cos.pdf');\n",
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"plt.savefig('sin_cos.svg');\n",
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"plt.savefig('sin_cos.png', dpi=300, transparent=True, bbox_inches='tight')\n",
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"\n",
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"plt.show()\n",
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"```"
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]
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}
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],
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],
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"metadata": {
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"metadata": {
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"kernelspec": {
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"kernelspec": {
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@ -821,6 +821,22 @@
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"d.groupby(\"Typ\")[\"Preis\"].sum().plot(kind=\"pie\");\n",
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"d.groupby(\"Typ\")[\"Preis\"].sum().plot(kind=\"pie\");\n",
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"plt.show()"
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"plt.show()"
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]
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]
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},
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{
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"cell_type": "markdown",
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"id": "e6c9a7fb-b374-4743-8b37-77fc8de79cbd",
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"metadata": {},
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"source": [
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"## Grafiken speichern/exportieren\n",
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"\n",
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"Zum speichern der Grafiken muss man sich zuerst mittels `get_figure()` einen Verweis auf die Grafik holen ",
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"Danach kann man über diese Referenz die Grafik in verschiedenen Formaten speichern:\n",
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"```\n",
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"fig = d.groupby(\"Typ\")[\"Preis\"].sum().plot(kind=\"pie\").get_figure();\n",
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"fig.savefig('pie.png');\n",
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"fig.savefig('pie.pdf');\n",
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"```"
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]
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}
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}
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],
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],
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"metadata": {
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"metadata": {
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