Relative change function

This function calculates the relative change of a vector, taking the first value as a reference value.

Usage

relChange(v, fac = 100)

Arguments

v

A numeric vector with length greater than 1.

fac

A numeric constant multiplier on the resulting metric.

Value

A numeric vector.

Author

Martin Jung

Examples

# Example vector
x <- c(20,6,2,1,15,25)
relChange(x)
#> [1]   0 -70 -90 -95 -25  25