+ "grp_df = df.groupby(['mile', 'closed_month']).count().reset_index()"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "print(grp_df)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "#### Plot of closed issues by month and milestone for one project\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 99,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "import seaborn as sns\n",
+ "import matplotlib.pyplot as plt\n",
+ "sns.set_theme()"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "plt.figure(figsize=(10, 6))\n",
+ "sns.lineplot(x='closed_month', y='url', hue='mile', data=grp_df, marker='o', ci=None)\n",
+ "plt.xlabel('Closed Month')\n",
+ "plt.ylabel('ClosedAt')\n",
+ "plt.title('Stacked Line Chart: Milestone Effort by Issue Close Date')\n",
+ "plt.xticks(rotation=45)\n",
+ "plt.legend(title='Mile', loc='upper left')\n",
+ "plt.show()"