Python Pandas - 计算两个 Index 对象的对称差
在 Pandas 中使用 index1.symmetric_difference(index2) 方法计算两个 Index 对象的对称差。
首先,导入必要的库 −
import pandas as pd
创建两个 Pandas 索引 −
index1 = pd.Index([10, 20, 30, 40, 50]) index2 = pd.Index([40, 10, 60, 20, 55])
显示 Pandas index1 和 index2 −
print("Pandas Index1...\n",index1) print("Pandas Index2...\n",index2)
执行对称差 −
res = index1.symmetric_difference(index2)
示例
以下是代码 −
import pandas as pd # Creating two Pandas index index1 = pd.Index([10, 20, 30, 40, 50]) index2 = pd.Index([40, 10, 60, 20, 55]) # Display the Pandas index1 and index2 print("Pandas Index1...\n",index1) print("Pandas Index2...\n",index2) # Return the number of elements in Index1 and Index2 print("\nNumber of elements in index1...\n",index1.size) print("\nNumber of elements in index2...\n",index2.size) # Perform symmetric difference res = index1.symmetric_difference(index2) # Symmetric difference of both the indexes print("\nThe index1 and index2 symmetric difference...\n",res)
输出
将生成以下输出 −
Pandas Index1... Int64Index([10, 20, 30, 40, 50], dtype='int64') Pandas Index2... Int64Index([40, 10, 60, 20, 55], dtype='int64') Number of elements in index1... 5 Number of elements in index2... 5 The index1 and index2 symmetric difference... Int64Index([30, 50, 55, 60], dtype='int64')
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