Random Column Selection from Vaex DataFrame

This function randomly selects a specified column from a Vaex DataFrame. If the column does not exist, it raises an exception.

Technology Stack : Vaex

Code Type : Custom function

Code Difficulty : Intermediate

                
                    
def select_random_column(df, column_name):
    """
    Selects a random column from a Vaex DataFrame based on the provided column name.
    """
    if column_name not in df.columns:
        raise ValueError(f"Column {column_name} does not exist in the DataFrame.")
    
    return df.sample(n=1, columns=[column_name])[column_name]