Randomly Select Column from Vaex DataFrame to Pandas Series

This function randomly selects a specified column from a Vaex DataFrame and converts it to a pandas Series. If the specified column does not exist, the function will raise an error.

Technology Stack : Vaex, pandas

Code Type : Custom function

Code Difficulty : Intermediate

                
                    
def random_select_column(df, column_name):
    """
    Randomly select a column from a Vaex DataFrame and return it as a pandas Series.
    
    Args:
    - df (vaex.DataFrame): The Vaex DataFrame from which to select a column.
    - column_name (str): The name of the column to select.
    
    Returns:
    - pandas.Series: The selected column as a pandas Series.
    """
    import vaex
    import pandas as pd

    # Ensure the column exists in the DataFrame
    if column_name not in df.columns:
        raise ValueError(f"Column '{column_name}' does not exist in the DataFrame.")
    
    # Convert the selected column from Vaex to pandas Series
    selected_column = df[column_name].to_pandas()
    
    return selected_column