[英]How to get list of age from date and birthday for a data frame in Python?
您必須使用應用 -
test = [
['8/17/2008', ['2005', '2004']],
['8/15/2008', ['2007', '2006']]
]
dataframe = pd.DataFrame(test, columns=['date', 'year'])
dataframe['date'] = pd.to_datetime(dataframe['date'])
def calculate_year(row):
age = []
for year in row['year']:
age.append(row['date'].year - int(year))
return age
dataframe['age'] = dataframe.apply(calculate_year, axis=1)
或者
dataframe['age'] = dataframe.apply(lambda row: [
row['date'].year - int(year)
for year in row['year']
], axis=1)
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