Python Pandas - Create a half-open time interval and check for existence of endpoints

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To create a half-open time interval, use the pandas.Interval() and set the closed parameter to left. To check for existence of endpoints, use the in property.

At first, import the required libraries −

import pandas as pd

Half-Open interval set using the "closed" parameter with value "left". Half-open i.e. [0, 5) is described by 0 <= x < 5 when closed='left'

interval = pd.Interval(left=0, right=20, closed='left')

Display the interval

print("Interval...\n",interval)

Check for the existence of an element in an Interval. This shows that closed = left contain only the left-most endpoint

print("\nThe left-most element exists in the Interval? = \n",0 in interval)
print("\nThe right-most element exists in the Interval? = \n",20 in interval)

Example

Following is the code

import pandas as pd

# Half-Open interval set using the "closed" parameter with value "left"
# Half-open i.e. [0, 5) is described by 0 <= x < 5 when closed='left'
interval = pd.Interval(left=0, right=20, closed='left')

# display the interval
print("Interval...\n",interval)

# display the interval length
print("\nInterval length...\n",interval.length)

# check for the existence of an element in an Interval
# This shows that closed = left contain only the left-most endpoint
print("\nThe left-most element exists in the Interval? = \n",0 in interval)
print("\nThe right-most element exists in the Interval? = \n",20 in interval)

Output

This will produce the following code

Interval...
[0, 20)

Interval length...
20

raja
Updated on 20-Oct-2021 07:46:05

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