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2020-11-26

盖码范 2022-02-14 阅读 42

import datetime
last['date'] = last['date'].apply(lambda x:datetime.datetime.strptime(str(x),'%Y%m%d').strftime('%Y/%m/%d'))

cu.rename(columns={"Unnamed: 0":"date"},inplace=True)

traindata=pd.DataFrame(traindata,dtype=np.float)

list 转化Data Frame

a = [['a', '1.2', '4.2'], ['b', '70', '0.03'], ['x', '5', '0']]  
df = pd.DataFrame(a, columns=['one', 'two', 'three']) 
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