Aggregate Dask DataFrames by Column Summation

  • Share this:

Code introduction


This function receives two Dask DataFrames as input, merges them along the column axis (axis=1) using `dd.concat`, and then aggregates the concatenated DataFrame by summing along the columns, returning the aggregated result.


Technology Stack : Dask, Dask DataFrame, NumPy

Code Type : Data processing function

Code Difficulty : Intermediate


                
                    
import numpy as np
import dask.dataframe as dd

def aggregate_dataframes(df1, df2):
    """
    Aggregate two Dask DataFrames by adding their columns.
    """
    result = dd.concat([df1, df2], axis=1)
    aggregated_df = result.sum(axis=1)
    return aggregated_df