In Python, PySpark is a Spark module used to provide a similar kind of Processing like spark using DataFrame. We will discuss different methods to change the column names of PySpark DataFrame. We will create PySpark DataFrame before moving to the methods. Example: Here we are going to create ...
1. PySpark withColumnRenamed – To rename DataFrame column name PySpark has awithColumnRenamed()function on DataFrame to change a column name. This is the most straight forward approach; this function takes two parameters; the first is your existing column name and the second is the new column ...
本文簡要介紹 pyspark.pandas.DataFrame.rename 的用法。 用法: DataFrame.rename(mapper: Union[Dict, Callable[[Any], Any], None] = None, index: Union[Dict, Callable[[Any], Any], None] = None, columns: Union[Dict, Callable[[Any], Any], None] = None, axis: Union[int, str] = 'index...
Now, let’screate a DataFramewith a few rows and columns, execute these examples, and validate the results. Our DataFrame contains column namesCourses,Fee,Duration, andDiscount. # Create DataFrame import pandas as pd technologies = { 'Courses':["Spark","PySpark","Python","pandas"], 'Fee' ...
本文简要介绍 pyspark.pandas.DataFrame.rename 的用法。 用法: DataFrame.rename(mapper: Union[Dict, Callable[[Any], Any], None] = None, index: Union[Dict, Callable[[Any], Any], None] = None, columns: Union[Dict, Callable[[Any], Any], None] = None, axis: Union[int, str] = 'index...
DataFrame,如果 inplace 为True,则为 None。 注意: DataFrame.rename_axis 支持两种调用约定 (index=index_mapper, columns=columns_mapper, ...) (mapper, axis={'index', 'columns'}, ...) 第一个调用约定只会修改索引的名称和/或作为列的索引对象的名称。 第二个调用约定将修改axis指定的相应索引的名称...
r2 PySpark 25000 40days 2300 r3 Python 22000 35days 1200 r4 pandas 30000 50days 2000 Rename Single Specific Column DataFrame.rename()accepts a dictionary as a parameter for columns you want to rename. So you just pass a dict with a key-value pair; the key is an existing column you would...