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Python Pandas - Check if the Intervals in the IntervalArray is empty
To check if the Intervals in the IntervalArray is empty, use the array.is_empty property in Pandas.
At first, import the required libraries −
import pandas as pd
Create two Interval objects. Open interval set using the "closed" parameter with value "neither" −
interval1 = pd.Interval(0, 0, closed='neither') interval2 = pd.Interval(20, 50, closed='neither')
Display the intervals −
print("Interval1...\n",interval1)
print("Interval2...\n",interval2)Construct a new IntervalArray from Interval objects −
array = pd.arrays.IntervalArray([interval1,interval2])
Check if the Intervals in the IntervalArray is empty −
print("\nCheck if IntervalArray is empty?\n",array.is_empty)Example
Following is the code −
import pandas as pd
# Create two Interval objects
# Open interval set using the "closed" parameter with value "neither"
interval1 = pd.Interval(0, 0, closed='neither')
interval2 = pd.Interval(20, 50, closed='neither')
# display the intervals
print("Interval1...\n",interval1)
print("Interval2...\n",interval2)
# display the interval length
print("\nInterval1 length...\n",interval1.length)
print("\nInterval2 length...\n",interval2.length)
# Construct a new IntervalArray from Interval objects
array = pd.arrays.IntervalArray([interval1,interval2])
# Display the IntervalArray
print("\nOur IntervalArray...\n",array)
# Getting the length of IntervalArray
# Returns an Index with entries denoting the length of each Interval in the IntervalArray
print("\nOur IntervalArray length...\n",array.length)
# Check if the Intervals in the IntervalArray is empty
print("\nCheck if IntervalArray is empty?\n",array.is_empty)Output
This will produce the following code −
Interval1... (0, 0) Interval2... (20, 50) Interval1 length... 0 Interval2 length... 30 Our IntervalArray... <IntervalArray> [(0, 0), (20, 50)] Length: 2, dtype: interval[int64, neither] Our IntervalArray length... Int64Index([0, 30], dtype='int64') Check if IntervalArray is empty? [ True False]
Updated on: 12-Oct-2021
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