# is.___() ## Definition(s) ### [[R Programming]] #### Sub-context >[! Definition] >A function that returns a bool value for what is passed to it. ## Examples ```r x <- c(2L, 5L, 10L) is.integer(x) # returns [1] TRUE ``` ## Related ## 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/)