# Nested Function ## Definition(s) ### Nexus: [[Nexus - Google Analytics Certificate Course]] #### Topic: [[Google Analytics - 7 Data Analysis with R Programming - Module 2 - Programming using RStudio]] >[! Definition] >A function that is completely contained within another function ## Examples ```r Outer_func <- function(x) {   Inner_func <- function(y) {     a <- x + y     return(a)   }   return (Inner_func) } output <- Outer_func(3) # To call the Outer_func output(5) ``` Credit: [W3Schools.com example](https://www.w3schools.com/r/r_functions_nested.asp) ## Related [[Nested|nested code]] ## Resources ## Flashcards The below code are generated for use with [Spaced Repetition plugin](https://github.com/st3v3nmw/obsidian-spaced-repetition/) [docs](https://www.stephenmwangi.com/obsidian-spaced-repetition/)