如果axis=0或者‘index’,subset中元素为列的索引;如果axis=1或者‘column’,subset中元素为行的索引。由subset限制的子区域,是判断是否删除该行/列的条件判断区域。 inplace:是否原地替换。布尔值,默认为False。如果为True,则在原DataFrame上进行操作,返回值为None。 2.示例 创建DataFrame数据: 代码语言:javascript ...
We can use this pandas function to remove the columns or rows from simple as well as multi-index DataFrame. DataFrame.drop(labels=None, axis=1, columns=None, level=None, inplace=False, errors='raise') Parameters: labels: It takes a list of column labels to drop. axis: It specifies to...
>>>df.drop(columns=['B', 'C']) A D 0 0 3 1 4 7 2 8 11 # 第一种方法下删除column一定要指定axis=1,否则会报错 >>> df.drop(['B', 'C']) ValueError: labels ['B' 'C'] not contained in axis #Drop rows >>>df.drop([0, 1]) A B C D 2 8 9 10 11 >>> df.drop(...
Use the drop() Method to Delete Last Column in Pandas This article explores different methods to delete specific rows in Pandas data frame using Python.Most data engineers and data analysts use Python because of its amazing ecosystem of data concentrated packages. A few of them are Pandas, Matp...
>>> df.dropna(how='all') name toy born 0 Alfred NaN NaT 1 Batman Batmobile 1940-04-25 2 Catwoman Bullwhip NaT # Keep only the rows with at least 2 non-NA values. >>> df.dropna(thresh=2) name toy born 1 Batman Batmobile 1940-04-25 2 Catwoman Bullwhip NaT # Define in which c...
#drop rows with nan values in any column df = df.dropna().reset_index(drop=True) #view updated DataFrame print(df) 1. 2. 3. 4. 5. team points assists rebounds 0 A 18.0 5.0 11.0 1 C 19.0 7.0 10.0 2 D 14.0 9.0 6.0 3 E 14.0 12.0 6.0 ...
2 8 11#第一种方法下删除column一定要指定axis=1,否则会报错>>> df.drop(['B','C']) ValueError: labels ['B''C']notcontainedinaxis#Drop rows>>>df.drop([0, 1]) A B C D2 8 9 10 11 >>> df.drop(index=[0, 1]) A B C D2 8 9 10 11 ...
Drop Rows Having NaN Values in Any Column in a Dataframe To drop rows from apandas dataframethat have nan values in any of the columns, you can directly invoke thedropna()method on the input dataframe. After execution, it returns a modified dataframe with nan values removed from it. You ...
官方解释:https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.drop_duplicates.html#pandas.DataFrame.drop_duplicates DataFrame.drop_duplicates(subset=None, keep='first', inplace=False) Return DataFrame with duplicate rows removed, optionally only considering certain columns. ...
A D 0 0 3 1 4 7 2 8 11# 第一种方法下删除column一定要指定axis=1,否则会报错,如下>>> df.drop(['B','C']) ValueError: labels ['B''C'] not containedinaxis#Drop rows>>>df.drop([0, 1]) A B C D 2 8 9 10 11 >>> df.drop(index=[0, 1]) ...