概述
详细接口
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| df.xs("BB", level=0, axis=0)
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代码演示,读取excel进行类型转换,当前存在类型转换失败的问题,带定位。TODO
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| import sys
import pandas as pd import numpy as np import matplotlib.pyplot as plt import sys
reload(sys) sys.setdefaultencoding('utf8')
if __name__ == '__main__':
df = pd.read_excel('/Users/shuaizi/Desktop/excel/test-excel.xlsx') df1 = df.set_index('姓名') sys.stdout.write(str(df1))
print("\n=================\n")
df1['age']=pd.to_numeric(df1['age'], errors='ignore', downcast='float').fillna(0) print(str(df1)) print("\n=================\n") df2 = np.transpose(df1) sys.stdout.write(str(df2))
df1.plot.line() plt.show() df1.plot.bar() plt.show()
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| graph LR A(第一步) --> B(第二部)
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小结