This help topic is for R version 2.9.0. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/Constants.html
Constants {base}R Documentation

Built-in Constants

Description

Constants built into R.

Usage

LETTERS
letters
month.abb
month.name
pi

Details

R has a small number of built-in constants (there is also a rather larger library of data sets which can be loaded with the function data).

The following constants are available:

These are implemented as variables in the base name space taking appropriate values.

References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

See Also

data, DateTimeClasses.

Quotes for the parsing of character constants, NumericConstants for numeric constants.

Examples


## 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")

[Package base version 2.9.0 ]