Obsidian-MBPM4
a4e1c875f0
Affected files: .obsidian/workspace.json 0 Journal/0 Daily/2025-07-21.md Temporary/Pandas.md
444 B
444 B
title, created_date, updated_date, aliases, tags
| title | created_date | updated_date | aliases | tags |
|---|---|---|---|---|
| Pandas | 2025-07-21 | 2025-07-21 |
Pandas
Stack, Unstack
Unstack converts a multi index into a column index Stack converts a multi column into a multi index
Melting and Pivoting
They are very specific --> you can do stack and unstack to achieve the same result
get_dummies()
You can get categorical data (sex: male / female) into 2 columns: sex_Male (0 / 1), sex_Female (0/ 1)