# Syntax to rename a particular column DataFrame.rename( columns = {'old_col_name':'new_col_name'}, inplace = True ) While usingDataFrame.rename(), we need to pass a parameter as a dictionary of old column names and new column names in the form of keys and values. One more paramet...
Below you can see the syntax of the Python Pandas rename_categories() method, it differs slightly depending on whether you're working with a Categorical Series or a CategoricalIndex object.Syntax for a Pandas Categorical Series −Series.cat.rename_categories(new_categories, *args, **kwargs) ...
This is the most widely used pandas function for renaming columns and row indexes. Let’s see the syntax of it before moving to examples. Syntax: DataFrame.rename(mapper=None, columns=None, axis=None, copy=True, inplace=False, level=None, errors='ignore') Parameters: mapper: It is used ...
Ok, now that I’ve explained what the Pandas rename method does, let’s look at the syntax. Here, I’ll show you the syntax for how to rename Pandas columns, and also how to rename Pandas row labels. A quick note Everything that I’m about to describe assumes that you’ve imported...
2. Syntax of Pandas DataFrame.rename() Following is the syntax of thepandas.DataFrame.rename()method, this returnseitherDataFrameorNone. By default returns pandas DataFrame after renaming columns. When useinplace=Trueit updates the existing DataFrame in place (self) and returnsNone. ...
Syntax dataframe.rename(mapper, index, columns, axis, copy, inplace, level, errors) Parameters Theindex,columns,axis,copy,inplace,level,errorsparameters arekeyword arguments. ParameterValueDescription mapperOptional. A dictionary where the old index/label is the key and the new index/label is the...
Syntax: Series.rename(self, index=None, **kwargs) Parameters: Returns:Series Series with index labels or name altered. Example: Python-Pandas Code: import numpy as np import pandas as pd s = pd.Series([2, 3, 4]) s Output: 0 2 ...
Pandas DataFrame: rename() functionLast update on August 19 2022 21:50:51 (UTC/GMT +8 hours) DataFrame - rename() functionThe rename() function is used to alter axes labels.Syntax:DataFrame.rename(self, mapper=None, index=None, columns=None, axis=None, copy=True, inplace=False, level=...
In case you need further info on the examples of this tutorial, I recommend having a look at the following video on my YouTube channel. In the video instruction, I’m explaining the Python programming syntax of this article in more detail....
Syntax: pandas.rename(mapper) Below are the steps to rename multiple columns using therename()method. The following code is the implementation of the above approach. # importing pandas libraryimportpandasaspd# creating a dataframedf=pd.DataFrame({"course":["C","Python","Java"],"Mentor":["ale...