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Python | Pandas PeriodIndex.dayofyear

PeriodIndex.dayofyear Pandas PeriodIndex.dayofyear returns an Index object. The index contains the ordinal day of the year for each element in this PeriodIndex object.

Syntax: PeriodIndex.dayofyear

Parameters: None

Return: Index

Example # 1: Use the PeriodIndex.dayofyear attribute to find the value of the ordinal days of the year for each element in a given PeriodIndex object.

# import pandas as pd

import pandas as pd

 
# Create PeriodIndex object

pidx = pd.PeriodIndex (start = ’2005-12-21’

end = ’2005-12-29’ , freq = ’ D’ )

 
# Print PeriodIndex object

print (pidx)

Output:

We will now use the PeriodIndex.dayofyear attribute to find the value of the ordinal days of the year for each item in a given object.

# return the value of the sequence number
# days in a year
pidx.dayofyear

Output:

As we can see from output, the PeriodIndex.dayofyear attribute returned an Index object containing the value of the ordinal days of the year for each item in this PeriodIndex object.

Example # 2: Use the PeriodIndex.dayofyear attribute to find the value of the ordinal days of the year for each item in a given PeriodIndex object.

# import pandas as pd

import pandas as pd

 
# Create PeriodIndex object

pidx = < / code> pd.PeriodIndex (start = ’2011-03-14’

end = ’2011-03-21’ , freq = ’ D’ )

  
# Print PeriodIndex object

print (pidx)

Output:

Now we will use the PeriodIndex.dayofyear attribute to find the value of the ordinal days of the year for each element in this object.

# return the value of the sequence number
# days in a year
pidx.dayofyear

Output:

As we can see from the output, the PeriodIndex.dayofyear attribute returned an Index object containing the value of the ordinal days of the year for each item in this PeriodIndex object.

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