Python Pandas - 检查两个 DataFrame 的任何特定列是否相等
要检查两个 DataFrame 的任何特定列是否相等,请使用 equals() 方法。我们先创建两个列的 DataFrame1 −
dataFrame1 = pd.DataFrame( { "Car": ['BMW', 'Lexus', 'Audi', 'Mustang', 'Bentley', 'Jaguar'], "Units": [100, 150, 110, 80, 110, 90] } )
创建两个列的 DataFrame2 −
dataFrame2 = pd.DataFrame( { "Car": ['BMW', 'Lexus', 'Audi', 'Mustang', 'Mercedes', 'Jaguar'], "Units": [100, 150, 110, 80, 110, 90] } )
检查特定列 Units 的相等性 −
dataFrame2['Units'].equals(dataFrame1['Units'])
示例
以下是代码 −
import pandas as pd # Create DataFrame1 dataFrame1 = pd.DataFrame( { "Car": ['BMW', 'Lexus', 'Audi', 'Mustang', 'Bentley', 'Jaguar'], "Units": [100, 150, 110, 80, 110, 90] } ) print"DataFrame1 ...\n",dataFrame1 # Create DataFrame2 dataFrame2 = pd.DataFrame( { "Car": ['BMW', 'Lexus', 'Audi', 'Mustang', 'Bentley', 'Jaguar'], "Units": [100, 150, 110, 80, 110, 90] } ) print"\nDataFrame2 ...\n",dataFrame2 # check for equality print"\nAre both the DataFrame objects equal? ",dataFrame1.equals(dataFrame2) # check for specific column Units equality print"\nAre both the DataFrames have similar Units column? ",dataFrame2['Units'].equals(dataFrame1['Units'] )
输出
这将产生以下输出 −
DataFrame1 ... Car Units 0 BMW 100 1 Lexus 150 2 Audi 110 3 Mustang 80 4 Bentley 110 5 Jaguar 90 DataFrame2 ... Car Units 0 BMW 100 1 Lexus 150 2 Audi 110 3 Mustang 80 4 Bentley 110 5 Jaguar 90 Are both the DataFrame objects equal? True Are both the DataFrames have similar Units column? True
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