midR
What is the apply family in R?
Updated May 24, 2026
Short answer
apply functions are used to apply operations over data structures.
Deep explanation
Includes apply, lapply, sapply for efficient iteration.
Real-world example
Calculating row-wise averages.
Common mistakes
- Using loops instead of apply family.
Follow-up questions
- Difference between lapply and sapply?
- When not to use apply?