Python | Pandas TimedeltaIndex.is_monotonic_decreasing

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.is_monotonic_decreasing attribute return True if the index value are monotonically decreasing. It return True even when the values are equal.

Syntax: TimedeltaIndex.is_monotonic_decreasing

Return : boolean

Example #1: Use TimedeltaIndex.is_monotonic_decreasing attribute to check if the TimedeltaIndex object is monotonic decreasing or not.

# importing pandas as pd
import pandas as pd

# Create the TimedeltaIndex object
tidx = pd.TimedeltaIndex(data =['1 days 02:04:00', '1 days 02:03:00',
                               '1 days 02:02:00', '1 days 02:01:00'])

# Print the TimedeltaIndex
print(tidx)

Output :

Now we will check if the TimedeltaIndex object is monotonic decreasing or not.

# check if tidx is monotonic decreasing or not
tidx.is_monotonic_decreasing

Output :

As we can see in the output, the TimedeltaIndex.is_monotonic_decreasing attribute has returned True indicating that value in tidx object is monotonically decreasing.

Example #2: Use TimedeltaIndex.is_monotonic_decreasing attribute to check if the TimedeltaIndex object is monotonic decreasing or not.

# importing pandas as pd
import pandas as pd

# Create the TimedeltaIndex object
tidx = pd.TimedeltaIndex(data =['-1 days 2 min 3us', '1 days 06:05:01.000030',
                                                 '-1 days + 23:59:59.999999'])

# Print the TimedeltaIndex
print(tidx)

Output :

Now we will check if the TimedeltaIndex object is monotonic decreasing or not.

# check if tidx is monotonic decreasing or not
tidx.is_monotonic_decreasing

Output :

As we can see in the output, the TimedeltaIndex.is_monotonic_decreasing attribute has returned False indicating that value in tidx object is not monotonically decreasing.