rrace: A random race with given BT strengths

In RobinHankin/hyper2: The Hyperdirichlet Distribution, Mark 2

A random race with given BT strengths

Description

Returns a rank vector suitable for interpretation with race().

Usage

rrace(strengths)

Arguments

strengths

Named vector with names being players and values being their Bradley-Terry strengths

Details

Uses a simple recursive system to generate the ranks.

Value

Returns a character vector with entries corresponding to the competitor. The first element is the winner, the second the runner-up, and so on, until the final element is the last to cross the finishing line.

Author(s)

Robin K. S. Hankin

See Also

rrace3,hyper2

Examples

o <- c(a=0.4, b=0.3, c=0.2, d=0.1)
rrace(o)

rankvec_likelihood(rrace(o))

D <- t(replicate(10,rrace(o))) # 10 races
H <- hyper2()
for(i in seq_len(nrow(D))){H <- H+rankvec_likelihood(D[i,])}
maxp(H)  # should be close to o

RobinHankin/hyper2 documentation built on May 6, 2024, 4:25 p.m.