R Error – attempt to apply non-function (2 Examples)

This page shows how to deal with the error “attempt to apply non-function” in the R programming language.

Example 1: Reproducing the Error Message – attempt to apply non-function

5 (10)                       # No mathematical operator between values
# Error: attempt to apply non-function

Example 2: Solving the Error Message – attempt to apply non-function

5 * (10)                     # Specifying mathematical operator between values
# [1] 50