python: calculate number of days from today date in a data frame
df[['A','B']] = df[['A','B']].apply(pd.to_datetime) # If conversion required
df['C'] = (df['B'] - df['A']).dt.dayspython: calculate number of days from today date in a data frame
df[['A','B']] = df[['A','B']].apply(pd.to_datetime) # If conversion required
df['C'] = (df['B'] - df['A']).dt.daystimedelta days to year pandas
In[1]: import pandas as pd
In[2]: df = pd.DataFrame([ pd.Timestamp('20150111'),
pd.Timestamp('20150301') ], columns=['date'])
In[3]: df['today'] = pd.Timestamp('20150315')
In[4]: df
Out[4]:
date today
0 2015-01-11 2015-03-15
1 2015-03-01 2015-03-15
In[5]: (df['today'] - df['date']).dt.days
Out[5]:
0 63
1 14
dtype: int64Copyright © 2021 Codeinu
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