Python Pandas IntervalIndex - 檢查包含缺失值的時間段是否為空
為了檢查包含缺失值的時間段是否為空,使用 IntervalIndex.is_empty 屬性。首先,匯入所需的庫 -
import pandas as pd import numpy as np
建立包含 NaN 值的 IntervalIndex -
interval = pd.IntervalIndex.from_arrays([np.nan, np.nan], [np.nan, np.nan])
顯示時間段 -
print("IntervalIndex...\n",interval)
檢查包含缺失值的時間段是否為空 -
print("\nIs the interval empty?\n",interval.is_empty)
示例
以下為程式碼 -
import pandas as pd import numpy as np # Create IntervalIndex with NaN values interval = pd.IntervalIndex.from_arrays([np.nan, np.nan], [np.nan, np.nan]) # Display the interval print("IntervalIndex...\n",interval) # Display the interval length print("\nIntervalIndex length...\n",interval.length) # check if the interval that contains missing values is empty or not print("\nIs the interval empty?\n",interval.is_empty)
輸出
該程式碼將產生以下輸出 -
IntervalIndex... IntervalIndex([nan, nan], dtype='interval[float64, right]') IntervalIndex length... Float64Index([nan, nan], dtype='float64') Is the interval empty? [False False]
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