我有一个熊猫数据框,看起来像这样:
df = pd.DataFrame( {'Judge': {0: 1, 1: 1, 2: 1, 3: 2, 4: 2, 5: 2, 6: 3, 7: 3, 8: 3}, 'Category': {0: 'A', 1: 'B', 2: 'C', 3: 'A', 4: 'B', 5: 'C', 6: 'A', 7: 'B', 8: 'C'}, 'Rating': {0: 'Excellent', 1: 'Very Good', 2: 'Good', 3: 'Very Good', 4: 'Very Good', 5: 'Very Good', 6: 'Excellent', 7: 'Very Good', 8: 'Excellent'}} )
我正在绘制一个饼图以显示每个法官的评分,如下所示:
grouped = df.groupby('Judge')
for group in grouped:
group[1].Rating.value_counts().plot(kind='pie', autopct="%1.1f%%")
plt.legend(group[1].Rating.value_counts().index.values, loc="upper right")
plt.title('Judge ' + str(group[0]))
plt.axis('equal')
plt.ylabel('')
plt.tight_layout()
plt.show()
不幸的是,每个法官的切片颜色都不相同。例如,法官1的“ Excellent”切片为蓝色,而法官2的“非常好”切片为蓝色。
如何在图与图之间强制执行切片颜色一致性?