PlayerRatings: krating – R documentation

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PlayerRatings

krating

A K Factor Function With Dependence On Rating

Description

Calculates the K factor for the Elo rating system based on the player rating.

Usage

krating(rating, games, elite = NULL, rv = 2300, kv = c(32,26))

Arguments

`rating`	A numeric vector of player ratings.
`games`	A numeric vector with the number of games played by each player. The K factor does not depend on this quantity.
`elite`	Not used.
`rv`	A numeric vector of length one less than `kv` giving the thresholds for the ratings.
`kv`	A numeric vector of length one more than `gv` giving the different K factors that the function can produce.

Details

This function is designed to be used for the kfac argument of either fide or elo. It returns kv[i] for players who have a rating within the intervals defined by rv (closed on the right).

Value

A numeric vector of K factors.