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法学Python Pandas - 判断两个 CategoricalIndex 对象是否包含相同的元素
要确定两个 CategoricalIndex 对象是否包含相同的元素，请使用 equals() 方法。首先，导入所需的库 −
import pandas as pd
使用 "categories" 参数为分类设置类别。使用 "ordered" 参数将类别视为有序的。创建两个 CategoricalIndex 对象 −
catIndex1 = pd.CategoricalIndex(["p", "q", "r", "s","p", "q", "r", "s"], ordered=True, categories=["p", "q", "r", "s"]) catIndex2 = pd.CategoricalIndex(["p", "q", "r", "s","p", "q", "r", "s"], ordered=True, categories=["p", "q", "r", "s"])
检查两个 CategoricalIndex 对象是否相等 −
print("\nCheck both the CategoricalIndex objects for equality...\n",catIndex1.equals(catIndex2))示例
以下是代码 −
import pandas as pd
# Set the categories for the categorical using the "categories" parameter
# Treat the categorical as ordered using the "ordered" parameter
# Create two CategoricalIndex objects
catIndex1 = pd.CategoricalIndex(["p", "q", "r", "s","p", "q", "r", "s"], ordered=True, categories=["p", "q", "r", "s"])
catIndex2 = pd.CategoricalIndex(["p", "q", "r", "s","p", "q", "r", "s"], ordered=True, categories=["p", "q", "r", "s"])
# Display the CategoricalIndex objects
print("CategoricalIndex1...\n",catIndex1)
print("\nCategoricalIndex2...\n",catIndex2)
# Check both the CategoricalIndex objects for equality
print("\nCheck both the CategoricalIndex objects for equality...\n",catIndex1.equals(catIndex2))输出
这将产生以下输出 −
CategoricalIndex1... CategoricalIndex(['p', 'q', 'r', 's', 'p', 'q', 'r', 's'], categories=['p', 'q', 'r', 's'], ordered=True, dtype='category') CategoricalIndex2... CategoricalIndex(['p', 'q', 'r', 's', 'p', 'q', 'r', 's'], categories=['p', 'q', 'r', 's'], ordered=True, dtype='category') Check both the CategoricalIndex objects for equality... True
更新于: 18-Oct-2021
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