MM (version 1.6-5)

multinomial: Multinomial function

Description

The multinomial function and its logarithm

Usage

multinomial(x)
lmultinomial(x)

Arguments

x

Numeric vector

Details

Function multinomial() returns $${n\choose n_1,n_2,\ldots,n_k} = \frac{n!}{n_1!n_2!\cdots n_k!}$$ where \(\sum_i n_i=n\), and function lmultinomial() returns the natural logarithm of this.

Examples

Run this code
# NOT RUN {
x <- runif(10)

exp(lmultinomial(x)) - multinomial(x) #should be small 
# }

Run the code above in your browser using DataCamp Workspace