This help topic is for R version 0.60. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/prod.html
prod {base}R Documentation

Product of Vector Elements

Description

prod returns the product of all the values present in its arguments. If na.rm is FALSE an NA value in any of the arguments will cause a value of NA to be returned, otherwise NA values are ignored.

Usage

prod(..., na.rm=TRUE)

See Also

sum, cumprod, cumsum.

Examples

print(prod(1:7)) == print(gamma(8))

[Package base version 0.60 ]