Python | Pandas DatetimeIndex.is_year_end

DatetimeIndex.is_year_end Pandas DatetimeIndex.is_year_end is an indicator of whether a date is the last day of the year. If the date is the last day of the year it returns True otherwise it returns False .

Syntax: DatetimeIndex. is_year_end

Returns: numpy array containing logical values.

Example # 1: Use the attribute DatetimeIndex.is_year_end to check if the dates in the DatetimeIndex are the last day of the year.

# import pandas as pd import pandas as pd   # Create DatetimeIndex didx = pd.DatetimeIndex ([ ’2014-01-01’ , ’2014- 12-31’ , ’2017-03-31’ , ’2000-12-31’ ])    # Print DatetimeIndex print (didx)

Output:

Now we want to find out if the dates contained in this DatetimeIndex object are last day of the year.

# determine if days are the last day of the year. didx. is_year_end

Exit:

As we can see in the output, the function returned an empty array containing boolean values ​​for each entry in the DatetimeIndex object.  True values ​​indicate that the corresponding date was the last day of the year, and False values ​​indicate that the corresponding date was not the last day of the year.

Example # 2: Use the DatetimeIndex.is_year_end attribute to check if the dates in the DatetimeIndex are the last day of the year.

# import pandas as pd import pandas as pd   # Create DatetimeIndex didx = pd.date_range ( "2017-12-30" , periods = 5 )    # Print DatetimeIndex print (didx)

Output:

Now we want to find out if the dates contained in this DatetimeIndex object, the last day of the year.

# determine if days are the last day of the year. didx.is_year_end

Output:

As we can see in the output, the function returned an empty array containing boolean values ​​for each object record DatetimeIndex.  True values ​​indicate that the corresponding date was the last day of the year, and False values ​​indicate that the corresponding date was not the last day of the year.