mmr

package

v0.2.5 Latest Latest Go to latest Published: Nov 7, 2024 License: MIT Imports: 3 Imported by: 0

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Valid go.mod file
Redistributable license
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Repository

github.com/cfoust/sour

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Documentation ¶

Overview ¶

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Index ¶

Constants
type Elo
- func NewElo() *Elo
- func NewEloWithFactors(k, d int) *Elo
type Outcome
- func (o *Outcome) String() string

Constants ¶

View Source

const (
	// K is the default K-Factor
	K = 32
	// D is the default deviation
	D = 400
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Elo ¶

type Elo struct {
	K int
	D int
}

Elo calculates Elo rating changes based on the configured factors.

func NewElo ¶

func NewElo() *Elo

NewElo instantiates the Elo object with default factors. Default K-Factor is 32 Default deviation is 400

func NewEloWithFactors ¶

func NewEloWithFactors(k, d int) *Elo

NewEloWithFactors instantiates the Elo object with custom factor values.

func (*Elo) ExpectedScore ¶

func (e *Elo) ExpectedScore(ratingA, ratingB int) float64

ExpectedScore gives the expected chance that the first player wins

func (*Elo) ExpectedScoreWithFactors ¶

func (e *Elo) ExpectedScoreWithFactors(ratingA, ratingB, d int) float64

ExpectedScoreWithFactors overrides default factors and gives the expected chance that the first player wins

func (*Elo) Outcome ¶

func (e *Elo) Outcome(ratingA, ratingB int, score float64) (Outcome, Outcome)

Outcome gives an Outcome object for each player for the given score

func (*Elo) OutcomeWithFactors ¶

func (e *Elo) OutcomeWithFactors(ratingA, ratingB int, score float64, k, d int) (Outcome, Outcome)

OutcomeWithFactors overrides default factors and gives an Outcome object for each player for the given score

func (*Elo) Rating ¶

func (e *Elo) Rating(ratingA, ratingB int, score float64) int

Rating gives the new rating for the first player for the given score

func (*Elo) RatingDelta ¶

func (e *Elo) RatingDelta(ratingA, ratingB int, score float64) int

RatingDelta gives the ratings change for the first player for the given score

func (*Elo) RatingDeltaWithFactors ¶

func (e *Elo) RatingDeltaWithFactors(ratingA, ratingB int, score float64, k, d int) int

RatingDeltaWithFactors overrides default factors and gives the ratings change for the first player for the given score

func (*Elo) RatingWithFactors ¶

func (e *Elo) RatingWithFactors(ratingA, ratingB int, score float64, k, d int) int

RatingWithFactors overrides default factors and gives the new rating for the first player for the given score

type Outcome ¶

type Outcome struct {
	Delta  int
	Rating int
}

Outcome is a match result data for a single player.

func (*Outcome) String ¶

func (o *Outcome) String() string

Source Files ¶

View all Source files

module.go

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