+ "execution_count": 59,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "\n",
+ "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 for one project\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,