Python Pandas – 过滤两个日期之间的 DataFrame


要过滤两个日期之间的 DataFrame,可以使用 dataframe.loc。首先,导入所需的库 −

import pandas as pd

使用日期记录创建一个列表字典 −

d = {'Car': ['BMW', 'Lexus', 'Audi', 'Mercedes', 'Jaguar', 'Bentley'],'Date_of_Purchase': ['2021-07-10', '2021-08-12', '2021-06-17', '2021-03-16', '2021-02-19', '2021-08-22'] }

从上述列表字典创建 dataframe

dataFrame = pd.DataFrame(d)

获取在两个日期之间(即第 1 个日期:2021-05-10 和第 2 个日期:2021-08-25)购买的汽车 −

resDF = dataFrame.loc[(dataFrame["Date_of_Purchase"] >= "2021-05-10") & (dataFrame["Date_of_Purchase"] <= "2021-08-25")]

示例

以下是代码 −

Open Compiler
import pandas as pd # dictionary of lists d = {'Car': ['BMW', 'Lexus', 'Audi', 'Mercedes', 'Jaguar', 'Bentley'],'Date_of_Purchase': ['2021-07-10', '2021-08-12', '2021-06-17', '2021-03-16', '2021-02-19', '2021-08-22'] } # creating dataframe from the above dictionary of lists dataFrame = pd.DataFrame(d) print"DataFrame...\n",dataFrame # fetch car purchased between two dates # 1st Date: 2021-05-10 # 2nd Date: 2021-08-25 resDF = dataFrame.loc[(dataFrame["Date_of_Purchase"] >= "2021-05-10") & (dataFrame["Date_of_Purchase"] <= "2021-08-25")] # print filtered data frame print"\nCars purchased between 2 dates: \n",resDF

输出

该代码会生成如下输出 −

DataFrame...
        Car   Date_of_Purchase
0       BMW         2021-07-10
1     Lexus         2021-08-12
2      Audi         2021-06-17
3  Mercedes         2021-03-16
4    Jaguar         2021-02-19
5   Bentley         2021-08-22

Cars purchased between 2 dates:
       Car   Date_of_Purchase
0      BMW         2021-07-10
1    Lexus         2021-08-12
2     Audi         2021-06-17
5  Bentley         2021-08-22

更新时间: 20-Sep-2021

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