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Python | Pandas TimedeltaIndex.union()

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  • Last Updated : 29 Sep, 2021
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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 TimedeltaIndex.union() function is a specialized union for TimedeltaIndex objects. It combines overlapping ranges with the same DateOffset, will be much faster than Index.union

Syntax : TimedeltaIndex.union(other)
Parameters : 
other : TimedeltaIndex or array-like
Return : Index or TimedeltaIndex
 

Example #1: Use TimedeltaIndex.union() function to find the set union of two TimedeltaIndex objects. 

Python3




# importing pandas as pd
import pandas as pd
 
# Create the first TimedeltaIndex object
tidx1 = pd.TimedeltaIndex(start ='11 days 22:11:12.001124',
                         periods = 5, freq ='T', name ='New_object')
 
# Create the second TimedeltaIndex object
tidx2 = pd.TimedeltaIndex(start ='11 days 22:14:12.001124',
                         periods = 5, freq ='T', name ='New_object')
 
# Print the first TimedeltaIndex object
print(tidx1)
 
# Print the second TimedeltaIndex object
print(tidx2)

Output : 

 

Now we will use the TimedeltaIndex.union() function to find the set union of the two objects 

Python3




# find the union
tidx1.union(tidx2)

Output : 

As we can see in the output, the TimedeltaIndex.union() function has returned an object which contains the union of both tidx1 and tidx2. 
  
Example #2: Use TimedeltaIndex.union() function to find the set union of two TimedeltaIndex objects. 

Python3




# importing pandas as pd
import pandas as pd
 
# Create the first TimedeltaIndex object
tidx1 = pd.TimedeltaIndex(start ='1 days 02:00:12.001124',
                         periods = 5, freq ='D', name ='Koala')
 
# Create the second TimedeltaIndex object
tidx2 = pd.TimedeltaIndex(start ='3 days 02:00:12.001124',
                         periods = 5, freq ='D', name ='Koala')
 
# Print the first TimedeltaIndex object
print(tidx1)
 
# Print the second TimedeltaIndex object
print(tidx2)

Output : 

 

Now we will use the TimedeltaIndex.union() function to find the set union of the two objects 

Python3




# find the union
tidx1.union(tidx2)

Output : 

As we can see in the output, the TimedeltaIndex.union() function has returned an object which contains the union of both tidx1 and tidx2.
 


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