## Product of Vector Elements

## Usage

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

## 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.

## See Also

`sum`, `cumprod`, `cumsum`.

## Examples

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

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