ordinal {spatstat.utils}

Ordinal Numbers

Description

Returns the appropriate abbreviation in English for an ordinal number (for example ordinal(5) is "5th").

Usage

ordinal(k)
ordinalsuffix(k)

Arguments

k

An integer or vector of integers.

Details

ordinal(k) returns a character string representing the kth ordinal number. ordinalsuffix(k) determines the appropriate suffix.

The suffix can be either "st" (abbreviating first), "nd" (abbreviating second), "rd" (abbreviating third) or "th" (for all other ordinal numbers fourth, fifth, etc).

Value

A character string or character vector of the same length as k.

Author(s)

Adrian Baddeley [e-mail].

See Also

articlebeforenumber

Examples

  ordinal(1:7)
  cat(paste("Happy", ordinal(21), "Birthday"), fill=TRUE)