Pandas Rename Column Name

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Pandas Rename Column Name

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Renaming Columns In Pandas Data Courses

Method 1 Using rename function One way of renaming the columns in a Pandas Dataframe is by using the rename function This method is quite useful when we need to rename some selected columns because we need to specify information only for the columns which are to be renamed Example 1 Rename a single column Method 1: Rename Specific Columns df.rename(columns = {'old_col1':'new_col1', 'old_col2':'new_col2'}, inplace = True) Method 2: Rename All Columns df.columns = ['new_col1', 'new_col2', 'new_col3', 'new_col4'] Method 3: Replace Specific Characters in Columns df.columns = df.columns.str.replace('old_char',.

How To Rename Column Names In Pandas DataFrame Thinking Neuron

Pandas Rename Column NameFor renaming the columns here is the simple one which will work for both Default(0,1,2,etc;) and existing columns but not much useful for a larger data sets(having many columns). For a larger data set we can slice the columns that we need and apply the below code: df.columns = ['new_name','new_name1','old_name'] Rename Specific Columns Use the df rename function and refer the columns to be renamed Not all the columns have to be renamed df df rename columns oldName1 newName1 oldName2 newName2 Or rename the existing DataFrame rather than creating a copy df rename columns oldName1 newName1 oldName2

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