| ldfactorial {phangorn} | R Documentation |
Arithmetic Operators
Description
double factorial function
Usage
ldfactorial(x)
dfactorial(x)
Arguments
x |
a numeric scalar or vector |
Value
dfactorial(x) returns the double factorial, that is
x\!\! = 1 * 3 * 5 * \ldots * x and ldfactorial(x) is the
natural logarithm of it.
Author(s)
Klaus Schliep klaus.schliep@gmail.com
See Also
Examples
dfactorial(1:10)
[Package phangorn version 2.11.1 Index]