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Python | Pandas tseries.offsets.CustomBusinessDay.copy

Dateoffsets are a standard kind of date increment used for a date range in Pandas. It works exactly like relativedelta in terms of the keyword args we pass in. DateOffsets work as follows, each offset specify a set of dates that conform to the DateOffset. For example, Bday defines this set to be the set of dates that are weekdays (M-F). DateOffsets can be created to move dates forward a given number of valid dates. For example, Bday(2) can be added to a date to move it two business days forward. If the date does not start on a valid date, first it is moved to a valid date and then offset is created. Pandas tseries.offsets.CustomBusinessDay.copy() function creates a copy of the given offset object.

Syntax: pandas.tseries.offsets.CustomBusinessDay.copy() Parameter : None Returns : copy

Example #1: Use pandas.tseries.offsets.CustomBusinessDay.rollforward() function to create a copy of the given offset object. 

Python3




# importing pandas as pd
import pandas as pd
 
# Creating Timestamp
ts = pd.Timestamp('2019-4-23 11:15:00')
 
# Create an offset
cbd = pd.tseries.offsets.CustomBusinessDay(weekmask = 'Mon Tue Wed')
 
# Print the Timestamp
print(ts)
 
# Print the Offset
print(cbd)


Output : Now we will add the offset to the given timestamp object to increment the datetime value. We will also create a copy of the given offset object. 

Python3




# Adding the offset to the given timestamp
new_timestamp = ts + cbd
 
# Print the updated timestamp
print(new_timestamp)
 
# now create a copy of the given offset object.
cbd_copy = cbd.copy()
 
# check if the copies are same
print(cbd_copy is cbd)


Output : As we can see in the output, we have successfully created an offset and added it to the given timestamp. We have also created a copy of the given offset object. Example #2: Use pandas.tseries.offsets.CustomBusinessDay.rollforward() function to create a copy of the given offset object. 

Python3




# importing pandas as pd
import pandas as pd
 
# Creating Timestamp
ts = pd.Timestamp('2019-4-23 11:15:00')
 
# Create an offset
cbd = pd.tseries.offsets.CustomBusinessDay(n = 3, weekmask = 'Mon Tue Wed Thu')
 
# Print the Timestamp
print(ts)
 
# Print the Offset
print(cbd)


Output : Now we will add the offset to the given timestamp object to increment the datetime value. We will also create a copy of the given offset object. 

Python3




# Adding the offset to the given timestamp
new_timestamp = ts + cbd
 
# Print the updated timestamp
print(new_timestamp)
 
# now create a copy of the given offset object.
cbd_copy = cbd.copy()
 
# check if the copies are same
print(cbd_copy is cbd)


Output : As we can see in the output, we have successfully created an offset and added it to the given timestamp. We have also created a copy of the given offset object.

Dominic
Dominichttp://wardslaus.com
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