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42 lines
1.1 KiB
42 lines
1.1 KiB
6 months ago
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import numpy as np
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import pandas as pd
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import matplotlib as mpl
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import matplotlib.pyplot as plt
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from matplotlib import font_manager
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font_path = r'E:\PycharmProjects\pythonProject\simsun.ttc'
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font_prop = font_manager.FontProperties(fname=font_path)
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#支持中文显示
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'''
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mpl.rcParams['font.family'] = 'Kaiti'
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# 使用非 unicode 的负号，当使用中文时候要设置
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mpl.rcParams['axes.unicode_minus'] = False
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# %matplotlib inline
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'''
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data = pd.read_csv(r'E:\PycharmProjects\pythonProject\航班信息\airport-ontime.csv')
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# data.info()
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#将Unnamed这列删除
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data.dropna(axis=1, how='all', inplace=True)
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# data.info()
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#查看是否有重复数据
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data.duplicated().any()
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data.drop_duplicates(inplace=True)
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# data.info()
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# 统计起飞是否延迟 饼图
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# print(data['DEP_DEL15'].head())
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dep_data = data['DEP_DEL15'].dropna()
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dep_delay = dep_data.value_counts()
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dep_delay.name = ''
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dep_delay.plot(kind='pie', labels=['起飞不延迟', '起飞延迟'], autopct='%.2f', textprops={'fontproperties': font_prop})
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plt.title('起飞延迟不延迟情况', {'fontproperties': font_prop})
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plt.show()
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