Pandas 데이터프레임 컬럼명으로 컬럼 제거

1 개요[ | ]

Pandas 데이터프레임 컬럼명으로 컬럼 제거

import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/iris.csv")
df

df.drop(columns=['sepal_length','petal_length'])

2 방법 1: drop()[ | ]

inplace

import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/iris.csv")
df.drop(columns=['sepal_length','petal_length'], inplace=True)
df.head()

not-inplace

import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/iris.csv")
df2 = df.drop(columns=['sepal_length','petal_length'])
df2.head()

3 방법 2: del[ | ]

inplace

import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/iris.csv")
del df['sepal_length']
del df['petal_length']
df.head()

not-inplace

import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/iris.csv")
df2 = df.copy()
del df2['sepal_length']
del df2['petal_length']
(df.columns, df2.columns)

4 같이 보기[ | ]

5 참고[ | ]

https://stackoverflow.com/questions/13411544/delete-column-from-pandas-dataframe