基于Matplotlib实现场地维度掷币决策堆叠柱状图需求

需求说明 #

• 将每个代表场地的柱子拆分为堆叠柱状图，按bat first和field first两类进行堆叠
• 每个柱子对应一个场地，仅需对柱子做分区处理

样本数据 #

season   venue                                      toss_decision
2011/12  Shere Bangla National Stadium, Mirpur      bat first        12
                                                    field first      12
         Zahur Ahmed Chowdhury Stadium, Chittagong  bat first         5
                                                    field first       3
2016/17  Shere Bangla National Stadium, Mirpur      bat first        14
                                                    field first      21
         Zahur Ahmed Chowdhury Stadium, Chittagong  bat first         5
                                                    field first       6

现有绘图代码 #

# Plotting
pivot_df.plot(kind='bar', figsize=(7, 3), width=0.3)

plt.title('Win Counts by Venue and Toss Decision')
plt.xlabel('Venue')
plt.ylabel('Win Counts')
plt.xticks(rotation=360)
plt.legend(title='Toss Decision')
plt.tight_layout()
plt.show()

修改后代码（实现堆叠柱状图） #

# Plotting
pivot_df.plot(kind='bar', figsize=(7, 3), width=0.3, stacked=True)  # 核心修改：添加stacked=True参数

plt.title('Win Counts by Venue and Toss Decision')
plt.xlabel('Venue')
plt.ylabel('Win Counts')
plt.xticks(rotation=360)
plt.legend(title='Toss Decision')
plt.tight_layout()
plt.show()

修改说明 #

在plot()方法中添加stacked=True参数，即可让每个场地对应的柱子按bat first和field first的数值进行堆叠展示，满足需求中柱子分区的要求。其他绘图参数可根据展示需求调整，原有逻辑保持不变。

内容的提问来源于stack exchange，提问作者Tshihab