last_row = len(DF) DF = DF.drop(DF.index[last_row]) #<-- fail!Run Code Online (Sandbox Code Playgroud) 我尝试使用负指数,但这也导致错误.我仍然必须误解一些基本的东西.提前致谢.Kan*_*hew 103 要删除最后n行: df.drop(df.tail(n).index,inplace=True) # drop last n rows Run Code...
duplicate()方法可以查看重复的行。# Check duplicate rowsdf.duplicated()# Check the number of duplicate rowsdf.duplicated().sum()drop_duplates()可以使用这个方法删除重复的行。# Drop duplicate rows (but only keep the first row)df = df.drop_duplicates(keep='first') #keep='first' / keep='la...
# Drop duplicate rows (but only keep the first row) df = df.drop_duplicates(keep='first') #keep='first' / keep='last' / keep=False # Note: inplace=True modifies the DataFrame rather than creating a new one df.drop_duplicates(keep='first', inplace=True) 处理离群值 异常值是可以显...
# Drop duplicate rows (but only keep the first row) df = df.drop_duplicates(keep='first') #keep='first' / keep='last' / keep=False # Note: inplace=True modifies the DataFrame rather than creating a new one df.drop_duplicates(keep='first', inplace=True) 处理离群值 异常值是可以显...
# Remove Rows by Slicing DataFrame df2=df[4:] # Returns rows from 4th row df2=df[1:-1] # Removes first and last row df2=df[2:4] # Return rows between 2 and 4 Related:You can alsoremove first N rows from pandas DataFrameandremove last N Rows from pands DataFrame ...
Python code to delete the last row of data of a pandas DataFrame # Importing pandas packageimportpandasaspd# Creating a dictionarydict={'Name':['Harry','Raman','Parth','Mukesh','Neelam','Megha','Deepak','Nitin','Manoj','Rishi','Sandeep','Divyansh','Sheetal','Shalini'],'Sport_selected...
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-zGVbJROW-1681365561379)(https://gitcode.net/apachecn/apachecn-ds-zh/-/raw/master/docs/learning-pandas-2e/img/00407.jpeg)] 在Excel 中,我们可以看到该工作表已命名为MSFT: [外链图片转存失败,源站可能有防盗链机制,建议将图片...
* 'any' : If any NA values are present, drop that row or column. * 'all' : If all values are NA, drop that row or column. thresh : int, optional Require that many non-NA values. subset : array-like, optional Labels along other axis to consider, e.g. if you are dropping row...
Given a pandas dataframe, we have to remove rows in a Pandas dataframe if the same row exists in another dataframe. By Pranit Sharma Last updated : October 03, 2023 Pandas is a special tool that allows us to perform complex manipulations of data effectively and effi...
>>>raw = pd.read_csv("...")>>>deduplicated = raw.groupby(level=0).first()# remove duplicates>>>deduplicated.flags.allows_duplicate_labels =False# disallow going forward 在具有重复标签的Series或DataFrame上设置allows_duplicate_labels=False,或执行引入重复标签的操作,会导致引发errors.DuplicateLabel...