要创建半开时间间隔,请使用并将关闭参数设置为左。要检查端点是否存在,请使用 in 属性。pandas.Interval()
首先,导入所需的库 -
import pandas as pd
使用值为“left”的“closed”参数设置半开间隔。半开即 [0, 5) 被描述为 0 <= x < 5 when closed='left'
interval = pd.Interval(left=0, right=20, closed='left')
显示间隔
print("Interval...\n",interval)
检查间隔中的元素是否存在。这表明 closed = left 只包含最左边的端点
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)
以下是代码
import pandas as pd # Half-Open interval set using the "closed" 带值的参数 "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)输出结果
这将产生以下代码
Interval... [0, 20) Interval length... 20