Constants

R Base 3.6.2

Constants built into R.

Syntax

LETTERS
letters
month.abb
month.name
pi

Details

R has a small number of built-in constants. The following constants are available: LETTERS: the 26 upper-case letters of the Roman alphabet; letters: the 26 lower-case letters of the Roman alphabet; month.abb: the three-letter abbreviations for the English month names; month.name: the English names for the months of the year; pi: the ratio of the circumference of a circle to its diameter. These are implemented as variables in the base namespace taking appropriate values.

Examples

Example

# NOT RUN {
<!-- % earlier R versions said 1705, but most refs say 1706. -->
# }
# NOT RUN {
## John Machin (ca 1706) computed pi to over 100 decimal places
## using the Taylor series expansion of the second term of
pi - 4*(4*atan(1/5) - atan(1/239))

## months in English
month.name
## months in your current locale
format(ISOdate(2000, 1:12, 1), "%B")
format(ISOdate(2000, 1:12, 1), "%b")
# }

Constants

Syntax

Details

Examples

See Also