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pandas值替换方法
简介如下所示：import pandas as pd from pandas import * import numpy as np data = Series([1,-999,2,-999,-1000,3]) print(data.replace(-999,np.nan)) print(da
如下所示：
import pandas as pd
from pandas import *
import numpy as np
data = Series([1,-999,2,-999,-1000,3])
print(data.replace(-999,np.nan))
print(data.replace([-999,-1000],np.nan))
print(data.replace([-999,-1000],[np.nan,0]))
print(data.replace({-999:np.nan,-1000:0}))
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