Format a proportion as a percentage string

Turn a proportion (such as 0.75) into a human-friendly percentage string (such as "75%").

Usage

as.percent(x, digits = 1, ...)

Arguments

x

a numeric proportion, or vector of proportions, where 1 represents one hundred percent

digits

number of decimal places to show

...

further arguments passed to formatC

Value

A character vector of percentage strings.

Author

Ben Wiseman, benjamin.h.wiseman@gmail.com

Examples

as.percent(0.75)              # "75.0\%"
#> [1] "75.0%"
as.percent(c(0.1, 0.005))     # "10.0\%" "0.5\%"
#> [1] "10.0%" "0.5%" 
as.percent(2 / 3, digits = 0) # "67\%"
#> [1] "67%"