Convert arithmetic (character) format to numeric

Convert arithmetic (character) format to numeric

Usage

arithmetic_to_numeric(x)

Arguments

x

Character string containing arithmetic operators.

Value

The numeric value from evaluating the arithmetic expression.

Examples

# Return numeric values
arithmetic_to_numeric("1/3")
#> [1] 0.3333333
arithmetic_to_numeric("sqrt(2)")
#> [1] 1.414214
arithmetic_to_numeric("log(2)")
#> [1] 0.6931472
arithmetic_to_numeric("exp((-3^2)/2)/sqrt(2*pi)")
#> [1] 0.004431848

# Return NA if containing non-arithmetic string
arithmetic_to_numeric("1/3a")
#> [1] NA