roman

0th

Percentile

Roman Numerals

Manipulate integers as roman numerals.

Keywords
arith
Usage
as.roman(x)
Arguments
x
a numeric vector, or a character vector of arabic or roman numerals.
Details

as.roman creates objects of class "roman" which are internally represented as integers, and have suitable methods for printing, formatting, subsetting, and coercion to character.

Only numbers between 1 and 3899 have a unique representation as roman numbers.

References

Wikipedia contributors (2006). Roman numerals. Wikipedia, The Free Encyclopedia. http://en.wikipedia.org/w/index.php?title=Roman_numerals&oldid=78252134. Accessed September 29, 2006.

Aliases
  • as.roman
Examples
library(utils) ## First five roman 'numbers'. (y <- as.roman(1 : 5)) ## Middle one. y[3] ## Current year as a roman number. (y <- as.roman(format(Sys.Date(), "%Y"))) ## 10 years ago ... y - 10
Documentation reproduced from package utils, version 3.1.2, License: Part of R 3.1.2

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