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Changing distance calculation

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Alex Yatskov 2015-06-30 13:50:25 +09:00
parent 83daa6a848
commit afc12aaaf2
1 changed files with 3 additions and 3 deletions
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6
util.go
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@ -69,14 +69,14 @@ func fixModes(modes map[string]string) modeMap {
} }
func distance(features1 featureMap, features2 featureMap) float64 { func distance(features1 featureMap, features2 featureMap) float64 {
var sum float64 var result float64
for key, value1 := range features1 { for key, value1 := range features1 {
value2, _ := features2[key] value2, _ := features2[key]
sum += math.Pow(value1-value2, 2) result += 1 - math.Abs(value1-value2)
} }
return math.Sqrt(sum) return result
} }
func compare(features1 featureMap, features2 featureMap, modes modeMap) float64 { func compare(features1 featureMap, features2 featureMap, modes modeMap) float64 {