F1

Simple data structure to computes F1 scores.

https://en.wikipedia.org/wiki/F1_score

Install

go get github.com/dmarkham/f1

Example

package main
import (
    "fmt"
    "github.com/dmarkham/f1"
)
func main() {
    f := f1.New()
    f.TruePositive++        // Correct Positive
    fmt.Println(f.Score(1)) // perfect score of 1
    f.TrueNegative++        // Correct Negative
    fmt.Println(f.Score(1)) // Still a perfect score
    f.Type1Error++          // False Positive
    fmt.Println(f.Score(1)) // Now the score goes down
    f.Type2Error++          // False Negative
    fmt.Println(f.Score(1)) // Now the score goes down even more
}