Merging a List of Data Frames in R: A Solution Using rbindlist and .id Argument

Unifying Datasets by Sample ID in R: A Comprehensive Approach

Three-Way Joining Multiple Dataframes on Columns with Pandas

Merging Two Varying Sized DataFrames on 2 Columns in Python Using Left Join

Merging Disjoint Dataframes in Pandas Using Concat and Dropna

Append Rows of df2 to Existing df 1 Based on Matching Conditions