in fclib/fclib/feature_engineering/feature_utils.py [0:0]
def normalized_current_year(datetime_col, min_year, max_year):
"""
Temporal feature indicating the position of the year of a record in the
entire time period under consideration, normalized to be between 0 and 1.
Args:
datetime_col: Datetime column.
min_year: minimum value of year.
max_year: maximum value of year.
Returns:
float: the position of the current year in the min_year:max_year range
"""
year = datetime_col.dt.year
if max_year != min_year:
current_year = (year - min_year) / (max_year - min_year)
else:
current_year = pd.Series([0 for x in range(len(datetime_col))])
return current_year