Python | Pandas DatetimeIndex.to_series()

Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.

Pandas DatetimeIndex.to_series() function create a Series with both index and values equal to the index keys useful with map for returning an indexer based on an index.

Syntax: DatetimeIndex.to_series(keep_tz=False, index=None, name=None)

Parameters :
keep_tz : return the data keeping the timezone
index : index of resulting Series. If None, defaults to original index
name : name of resulting Series. If None, defaults to name of original index

Return : Series

Example #1: Use DatetimeIndex.to_series() function to create a series object from the given DatetimeIndex object. Also set the value of index for the series.

# importing pandas as pd
import pandas as pd

# Create the DatetimeIndex
# Here 'S' represents secondly frequency
didx = pd.DatetimeIndex(start ='2018-11-15 09:45:10', freq ='S', periods = 5)

# Print the DatetimeIndex
print(didx)

Output :

Now we want to construct a series out of the DatetimeIndex object.

# construct the series
didx.to_series(index =['A', 'B', 'C', 'D', 'E'])

Output :

As we can see in the output, the function has returned a series object constructed from the didx DatetimeIndex object.

Example #2: Use DatetimeIndex.to_series() function to create a series object from the given DatetimeIndex object. Also set the value of index for the series.

# importing pandas as pd
import pandas as pd

# Create the DatetimeIndex
# Here 'M' represents monthly frequency
didx = pd.DatetimeIndex(start ='2015-03-02', freq ='M', periods = 5)

# Print the DatetimeIndex
print(didx)

Output :

Now we want to construct a series out of the DatetimeIndex object.

# construct the series
didx.to_series(index =['First', 'Second', 'Third', 'Fourth', 'Fifth'])

Output :

As we can see in the output, the function has returned a series object constructed from the didx DatetimeIndex object.