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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