Merging, Joining & Reshaping Data — Roadmap Step & Resources
Combining multiple DataFrames and pivoting between long and wide formats
- Level: beginner
- Estimated time: 1 days
- Roadmap: Data Science
Before this step
Interview questions
- When would you use pivot() vs melt() when reshaping a DataFrame?
Study resources
- Merge, join, concatenate and compare (Article) — The official Pandas documentation on merging, joining and reshaping DataFrames.
- Pandas Merge and Reshape Explained (Video) — A practical tutorial on merging, pivoting and melting DataFrames.
Part of
- Python for Data Analysis — section
- Data Science roadmap — the full learning path