ff: Falling factorial
In kStatistics: Unbiased Estimators for Cumulant Products and Faa Di Bruno's Formula
ff R Documentation
Falling factorial
Description
The function computes the descending (falling) factorial of a positive integer n
with respect to a positive integer k less or equal to n.
Usage
ff( n=1, k )
Arguments
n
integer
k
integer
Details
Run ff(n, k) to get n(n-1)(n-2).....(n-k+1).
Value
integer
the descending factorial
Author(s)
Elvira Di Nardo elvira.dinardo@unito.it,
Giuseppe Guarino giuseppe.guarino@rete.basilicata.it
See Also
mkmSet,
countP,
nStirling2,
intPart,
mCoeff
Examples
# Return 6*5*4 = 120
ff(6,3)
kStatistics documentation built on June 8, 2022, 5:05 p.m.
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| ff | R Documentation |
Falling factorial
Description
The function computes the descending (falling) factorial of a positive integer n
with respect to a positive integer k less or equal to n.
Usage
ff( n=1, k )
Arguments
n |
integer |
k |
integer |
Details
Run ff(n, k) to get n(n-1)(n-2).....(n-k+1).
Value
integer |
the descending factorial |
Author(s)
Elvira Di Nardo elvira.dinardo@unito.it,
Giuseppe Guarino giuseppe.guarino@rete.basilicata.it
See Also
mkmSet,
countP,
nStirling2,
intPart,
mCoeff
Examples
# Return 6*5*4 = 120 ff(6,3)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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