79822243

Date: 2025-11-17 11:44:03
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import matplotlib.pyplot as plt

import numpy as np

# 交叉分析数据

age_groups = ['18岁以下', '18-30岁', '31-40岁', '40岁以上']

students = np.array([30, 35, 0, 0])

newcomers = np.array([0, 24, 0, 0])

white_collars = np.array([0, 6, 9, 0])

others = np.array([0, 0, 0, 4])

x = np.arange(len(age_groups))

width = 0.2 # 柱形宽度

plt.figure(figsize=(10, 6))

# 绘制柱状图

plt.bar(x - 1.5*width, students, width, label='学生')

plt.bar(x - 0.5*width, newcomers, width, label='职场新人')

plt.bar(x + 0.5*width, white_collars, width, label='职场白领')

plt.bar(x + 1.5*width, others, width, label='其他')

# 坐标轴与标题

plt.xticks(x, age_groups, fontsize=12)

plt.ylabel('人数', fontsize=12)

plt.title('不同年龄段的身份分布(交叉分析)', fontsize=14)

plt.legend()

plt.tight_layout()

plt.show()

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Posted by: user31893734