loc vs iloc in pandas
`loc` selects by labels and `iloc` selects by integer position.
- loc uses labels
- iloc uses zero-based positions
- Slices behave differently for labels vs positions
loc vs iloc in pandas
Tagged with indexing
2 cards
What causes SettingWithCopyWarning in pandas?
It happens when pandas is unsure whether you are writing to a view or a detached copy.
- Chained indexing is the common trigger
- Use loc for assignment
- Make copies explicit when needed
What causes SettingWithCopyWarning in pandas?