tennis_prob: Probability of winning

Description Usage Arguments Value Examples

View source: R/functions.R

Description

Calculates the probability that player i wins over player j for match at time t+1 using the WElo or Elo rates at time t. Formally:

\hat{p}_{i,j}(t+1) = \frac{1}{1+10^{≤ft(E_j(t)-E_i(t)\right)/400}},

where E_{i}(t) and E_j(t) are the WElo or Elo rates at time t.

Usage

1

Arguments

i

WElo or Elo rates for player i

j

WElo or Elo rates for player j

Value

Probability that player i wins the match against player j

Examples

1
2
tennis_prob(2000,2000) 
tennis_prob(2500,2000)

welo documentation built on Oct. 12, 2021, 5:08 p.m.

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