Python Pandas - 将所有重复的索引值指示为 True
要将所有重复的索引值指示为 True,请使用. 使用值为False的keep参数。index.duplicated()
首先,导入所需的库 -
import pandas as pd
创建具有一些重复项的索引 -
index = pd.Index(['Car','Bike','Airplane','Ship','Airplane'])
显示索引 -
print("Pandas Index with duplicates...\n",index)
将所有重复的索引值指示为 True。将“保持”参数设置为“假” -
print("\nIndicating all duplicate index values True...\n", index.duplicated(keep=False))
示例
以下是代码 -
import pandas as pd输出结果# Creating the index with some duplicates
index = pd.Index(['Car','Bike','Airplane','Ship','Airplane'])
# Display the index
print("Pandas Index with duplicates...\n",index)
# Return the dtype of the data
print("\nThe dtype object...\n",index.dtype)
# get the dimensions of the data
print("\nGet the dimensions...\n",index.ndim)
# Indicate all duplicate index values as True
# Set the "keep" 参数为 "False"
print("\nIndicating all duplicate index values True...\n", index.duplicated(keep=False))
这将产生以下代码 -
Pandas Index with duplicates...Index(['Car', 'Bike', 'Airplane', 'Ship', 'Airplane'], dtype='object')
The dtype object...
object
Get the dimensions...
1
Indicating all duplicate index values True...
[False False True False True]
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