Python Pandas - 获取区间的左边界


要获取区间的左边界,请使用 interval.left 属性。首先,导入所需的库 -

import pandas as pd

使用时间戳作为边界来创建时间间隔。使用值为 "left" 的 "closed" 参数设置封闭间隔。获取区间的左边界

interval = pd.Interval(pd.Timestamp('2020-01-01 00:00:00'), pd.Timestamp('2021-01-01 00:00:00'), closed='left')

显示间隔

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

获取左边界

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

实例

以下是代码

import pandas as pd

# Use Timestamps as the bounds to create a time interval
# Closed interval set using the "closed" parameter with value "left"
# Get the left bound for the interval
interval = pd.Interval(pd.Timestamp('2020-01-01 00:00:00'), pd.Timestamp('2021-01-01 00:00:00'), closed='left')

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

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

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

输出

这将生成以下代码

Interval...
[2020-01-01, 2021-01-01)

Interval length...
366 days 00:00:00

The left bound for the Interval...
2020-01-01 00:00:00

更新于:2021-10-20

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