Python Pandas - 检查区间是否在左侧开放


要检查区间是否在左侧开启,请使用 interval.open_left 属性。首先,导入所需的库 -

import pandas as pd

使用值为“neither”的“closed”参数设置开放区间。开放区间(在数学中用方括号表示)不包含其端点,即开放区间 [0, 5] 的特征是条件 0 < x < 5

interval = pd.Interval(5, 20, closed='neither')

显示区间

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

检查区间是否在左侧开启

print("\nCheck if the interval is open on the left side...\n",interval.open_left)

示例

以下是代码

import pandas as pd

# Open interval set using the "closed" parameter with value "neither"
# An open interval (in mathematics denoted by square brackets) does not contains its endpoints,
# i.e. the open interval [0, 5] is characterized by the conditions 0 < x < 5.
interval = pd.Interval(5, 20, closed='neither')

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

# the left bound
print("\nThe left bound for the Interval...\n",interval.left)

# the right bound
print("\nThe right bound for the Interval...\n",interval.right)

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

# check whether the interval is open on the left side
print("\nCheck if the interval is open on the left side...\n",interval.open_left)

输出

这将生成以下代码

Interval...
(5, 20)

The left bound for the Interval...
5

The right bound for the Interval...
20

Interval length...
15

Check if the interval is open on the left side...
True

更新于: 21-10-2021

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